987414740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{773}}^1$

素因数の和:846

約数の個数: 96

約数和(自身を含む): 2375684640

約数和(自身を除く): 1388269900

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 773, 884, 1105, 1156, 1445, 1546, 2210, 2890, 3092, 3757, 3865, 4420, 4913, 5780, 7514, 7730, 9826, 10049, 13141, 15028, 15460, 18785, 19652, 20098, 24565, 26282, 37570, 40196, 49130, 50245, 52564, 63869, 65705, 75140, 98260, 100490, 127738, 131410, 170833, 200980, 223397, 255476, 262820, 319345, 341666, 446794, 638690, 683332, 854165, 893588, 1116985, 1277380, 1708330, 2233970, 2904161, 3416660, 3797749, 4467940, 5808322, 7595498, 11616644, 14520805, 15190996, 18988745, 29041610, 37977490, 49370737, 58083220, 75954980, 98741474, 197482948, 246853685, 493707370, 987414740]

約数ペア:

[(1, 987414740), (2, 493707370), (4, 246853685), (5, 197482948), (10, 98741474), (13, 75954980), (17, 58083220), (20, 49370737), (26, 37977490), (34, 29041610), (52, 18988745), (65, 15190996), (68, 14520805), (85, 11616644), (130, 7595498), (170, 5808322), (221, 4467940), (260, 3797749), (289, 3416660), (340, 2904161), (442, 2233970), (578, 1708330), (773, 1277380), (884, 1116985), (1105, 893588), (1156, 854165), (1445, 683332), (1546, 638690), (2210, 446794), (2890, 341666), (3092, 319345), (3757, 262820), (3865, 255476), (4420, 223397), (4913, 200980), (5780, 170833), (7514, 131410), (7730, 127738), (9826, 100490), (10049, 98260), (13141, 75140), (15028, 65705), (15460, 63869), (18785, 52564), (19652, 50245), (20098, 49130), (24565, 40196), (26282, 37570)]