279210800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 240

約数和(自身を含む): 797091840

約数和(自身を除く): 517881040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 31, 40, 44, 46, 50, 55, 62, 80, 88, 89, 92, 100, 110, 115, 124, 155, 176, 178, 184, 200, 220, 230, 248, 253, 275, 310, 341, 356, 368, 400, 440, 445, 460, 496, 506, 550, 575, 620, 682, 712, 713, 775, 880, 890, 920, 979, 1012, 1100, 1150, 1240, 1265, 1364, 1424, 1426, 1550, 1705, 1780, 1840, 1958, 2024, 2047, 2200, 2225, 2300, 2480, 2530, 2728, 2759, 2852, 3100, 3410, 3560, 3565, 3916, 4048, 4094, 4400, 4450, 4600, 4895, 5060, 5456, 5518, 5704, 6200, 6325, 6820, 7120, 7130, 7832, 7843, 8188, 8525, 8900, 9200, 9790, 10120, 10235, 11036, 11408, 12400, 12650, 13640, 13795, 14260, 15664, 15686, 16376, 17050, 17800, 17825, 19580, 20240, 20470, 22072, 22517, 24475, 25300, 27280, 27590, 28520, 30349, 31372, 32752, 34100, 35600, 35650, 39160, 39215, 40940, 44144, 45034, 48950, 50600, 51175, 55180, 57040, 60698, 62744, 63457, 68200, 68975, 71300, 78320, 78430, 81880, 90068, 97900, 101200, 102350, 110360, 112585, 121396, 125488, 126914, 136400, 137950, 142600, 151745, 156860, 163760, 180136, 195800, 196075, 204700, 220720, 225170, 242792, 253828, 275900, 285200, 303490, 313720, 317285, 360272, 391600, 392150, 409400, 450340, 485584, 507656, 551800, 562925, 606980, 627440, 634570, 698027, 758725, 784300, 818800, 900680, 1015312, 1103600, 1125850, 1213960, 1269140, 1396054, 1517450, 1568600, 1586425, 1801360, 2251700, 2427920, 2538280, 2792108, 3034900, 3137200, 3172850, 3490135, 4503400, 5076560, 5584216, 6069800, 6345700, 6980270, 9006800, 11168432, 12139600, 12691400, 13960540, 17450675, 25382800, 27921080, 34901350, 55842160, 69802700, 139605400, 279210800]

約数ペア:

[(1, 279210800), (2, 139605400), (4, 69802700), (5, 55842160), (8, 34901350), (10, 27921080), (11, 25382800), (16, 17450675), (20, 13960540), (22, 12691400), (23, 12139600), (25, 11168432), (31, 9006800), (40, 6980270), (44, 6345700), (46, 6069800), (50, 5584216), (55, 5076560), (62, 4503400), (80, 3490135), (88, 3172850), (89, 3137200), (92, 3034900), (100, 2792108), (110, 2538280), (115, 2427920), (124, 2251700), (155, 1801360), (176, 1586425), (178, 1568600), (184, 1517450), (200, 1396054), (220, 1269140), (230, 1213960), (248, 1125850), (253, 1103600), (275, 1015312), (310, 900680), (341, 818800), (356, 784300), (368, 758725), (400, 698027), (440, 634570), (445, 627440), (460, 606980), (496, 562925), (506, 551800), (550, 507656), (575, 485584), (620, 450340), (682, 409400), (712, 392150), (713, 391600), (775, 360272), (880, 317285), (890, 313720), (920, 303490), (979, 285200), (1012, 275900), (1100, 253828), (1150, 242792), (1240, 225170), (1265, 220720), (1364, 204700), (1424, 196075), (1426, 195800), (1550, 180136), (1705, 163760), (1780, 156860), (1840, 151745), (1958, 142600), (2024, 137950), (2047, 136400), (2200, 126914), (2225, 125488), (2300, 121396), (2480, 112585), (2530, 110360), (2728, 102350), (2759, 101200), (2852, 97900), (3100, 90068), (3410, 81880), (3560, 78430), (3565, 78320), (3916, 71300), (4048, 68975), (4094, 68200), (4400, 63457), (4450, 62744), (4600, 60698), (4895, 57040), (5060, 55180), (5456, 51175), (5518, 50600), (5704, 48950), (6200, 45034), (6325, 44144), (6820, 40940), (7120, 39215), (7130, 39160), (7832, 35650), (7843, 35600), (8188, 34100), (8525, 32752), (8900, 31372), (9200, 30349), (9790, 28520), (10120, 27590), (10235, 27280), (11036, 25300), (11408, 24475), (12400, 22517), (12650, 22072), (13640, 20470), (13795, 20240), (14260, 19580), (15664, 17825), (15686, 17800), (16376, 17050)]