79690400

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 209236608

約数和(自身を除く): 129546208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 61, 71, 80, 92, 100, 115, 122, 142, 160, 184, 200, 230, 244, 284, 305, 355, 368, 400, 460, 488, 568, 575, 610, 710, 736, 800, 920, 976, 1136, 1150, 1220, 1403, 1420, 1525, 1633, 1775, 1840, 1952, 2272, 2300, 2440, 2806, 2840, 3050, 3266, 3550, 3680, 4331, 4600, 4880, 5612, 5680, 6100, 6532, 7015, 7100, 8165, 8662, 9200, 9760, 11224, 11360, 12200, 13064, 14030, 14200, 16330, 17324, 18400, 21655, 22448, 24400, 26128, 28060, 28400, 32660, 34648, 35075, 40825, 43310, 44896, 48800, 52256, 56120, 56800, 65320, 69296, 70150, 81650, 86620, 99613, 108275, 112240, 130640, 138592, 140300, 163300, 173240, 199226, 216550, 224480, 261280, 280600, 326600, 346480, 398452, 433100, 498065, 561200, 653200, 692960, 796904, 866200, 996130, 1122400, 1306400, 1593808, 1732400, 1992260, 2490325, 3187616, 3464800, 3984520, 4980650, 7969040, 9961300, 15938080, 19922600, 39845200, 79690400]

約数ペア:

[(1, 79690400), (2, 39845200), (4, 19922600), (5, 15938080), (8, 9961300), (10, 7969040), (16, 4980650), (20, 3984520), (23, 3464800), (25, 3187616), (32, 2490325), (40, 1992260), (46, 1732400), (50, 1593808), (61, 1306400), (71, 1122400), (80, 996130), (92, 866200), (100, 796904), (115, 692960), (122, 653200), (142, 561200), (160, 498065), (184, 433100), (200, 398452), (230, 346480), (244, 326600), (284, 280600), (305, 261280), (355, 224480), (368, 216550), (400, 199226), (460, 173240), (488, 163300), (568, 140300), (575, 138592), (610, 130640), (710, 112240), (736, 108275), (800, 99613), (920, 86620), (976, 81650), (1136, 70150), (1150, 69296), (1220, 65320), (1403, 56800), (1420, 56120), (1525, 52256), (1633, 48800), (1775, 44896), (1840, 43310), (1952, 40825), (2272, 35075), (2300, 34648), (2440, 32660), (2806, 28400), (2840, 28060), (3050, 26128), (3266, 24400), (3550, 22448), (3680, 21655), (4331, 18400), (4600, 17324), (4880, 16330), (5612, 14200), (5680, 14030), (6100, 13064), (6532, 12200), (7015, 11360), (7100, 11224), (8165, 9760), (8662, 9200)]