217392749240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1489}}^1\times {\mathrm{41011}}^1$

素因数の和:42600

約数の個数: 64

約数和(自身を含む): 494973828000

約数和(自身を除く): 277581078760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1489, 1780, 2978, 3560, 5956, 7445, 11912, 14890, 29780, 41011, 59560, 82022, 132521, 164044, 205055, 265042, 328088, 410110, 530084, 662605, 820220, 1060168, 1325210, 1640440, 2650420, 3649979, 5300840, 7299958, 14599916, 18249895, 29199832, 36499790, 61065379, 72999580, 122130758, 145999160, 244261516, 305326895, 488523032, 610653790, 1221307580, 2442615160, 5434818731, 10869637462, 21739274924, 27174093655, 43478549848, 54348187310, 108696374620, 217392749240]

約数ペア:

[(1, 217392749240), (2, 108696374620), (4, 54348187310), (5, 43478549848), (8, 27174093655), (10, 21739274924), (20, 10869637462), (40, 5434818731), (89, 2442615160), (178, 1221307580), (356, 610653790), (445, 488523032), (712, 305326895), (890, 244261516), (1489, 145999160), (1780, 122130758), (2978, 72999580), (3560, 61065379), (5956, 36499790), (7445, 29199832), (11912, 18249895), (14890, 14599916), (29780, 7299958), (41011, 5300840), (59560, 3649979), (82022, 2650420), (132521, 1640440), (164044, 1325210), (205055, 1060168), (265042, 820220), (328088, 662605), (410110, 530084)]