7843000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 128

約数和(自身を含む): 21565440

約数和(自身を除く): 13722440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 25, 31, 40, 44, 46, 50, 55, 62, 88, 92, 100, 110, 115, 124, 125, 155, 184, 200, 220, 230, 248, 250, 253, 275, 310, 341, 440, 460, 500, 506, 550, 575, 620, 682, 713, 775, 920, 1000, 1012, 1100, 1150, 1240, 1265, 1364, 1375, 1426, 1550, 1705, 2024, 2200, 2300, 2530, 2728, 2750, 2852, 2875, 3100, 3410, 3565, 3875, 4600, 5060, 5500, 5704, 5750, 6200, 6325, 6820, 7130, 7750, 7843, 8525, 10120, 11000, 11500, 12650, 13640, 14260, 15500, 15686, 17050, 17825, 23000, 25300, 28520, 31000, 31372, 31625, 34100, 35650, 39215, 42625, 50600, 62744, 63250, 68200, 71300, 78430, 85250, 89125, 126500, 142600, 156860, 170500, 178250, 196075, 253000, 313720, 341000, 356500, 392150, 713000, 784300, 980375, 1568600, 1960750, 3921500, 7843000]

約数ペア:

[(1, 7843000), (2, 3921500), (4, 1960750), (5, 1568600), (8, 980375), (10, 784300), (11, 713000), (20, 392150), (22, 356500), (23, 341000), (25, 313720), (31, 253000), (40, 196075), (44, 178250), (46, 170500), (50, 156860), (55, 142600), (62, 126500), (88, 89125), (92, 85250), (100, 78430), (110, 71300), (115, 68200), (124, 63250), (125, 62744), (155, 50600), (184, 42625), (200, 39215), (220, 35650), (230, 34100), (248, 31625), (250, 31372), (253, 31000), (275, 28520), (310, 25300), (341, 23000), (440, 17825), (460, 17050), (500, 15686), (506, 15500), (550, 14260), (575, 13640), (620, 12650), (682, 11500), (713, 11000), (775, 10120), (920, 8525), (1000, 7843), (1012, 7750), (1100, 7130), (1150, 6820), (1240, 6325), (1265, 6200), (1364, 5750), (1375, 5704), (1426, 5500), (1550, 5060), (1705, 4600), (2024, 3875), (2200, 3565), (2300, 3410), (2530, 3100), (2728, 2875), (2750, 2852)]