90368740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 246141504

約数和(自身を除く): 155772764

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 83, 98, 101, 110, 140, 154, 166, 196, 202, 220, 245, 308, 332, 385, 404, 415, 490, 505, 539, 581, 707, 770, 830, 913, 980, 1010, 1078, 1111, 1162, 1414, 1540, 1660, 1826, 2020, 2156, 2222, 2324, 2695, 2828, 2905, 3535, 3652, 4067, 4444, 4565, 4949, 5390, 5555, 5810, 6391, 7070, 7777, 8134, 8383, 9130, 9898, 10780, 11110, 11620, 12782, 14140, 15554, 16268, 16766, 18260, 19796, 20335, 22220, 24745, 25564, 31108, 31955, 33532, 38885, 40670, 41915, 44737, 49490, 54439, 58681, 63910, 77770, 81340, 83830, 89474, 92213, 98980, 108878, 117362, 127820, 155540, 167660, 178948, 184426, 217756, 223685, 234724, 272195, 293405, 368852, 410767, 447370, 461065, 544390, 586810, 645491, 821534, 894740, 922130, 1088780, 1173620, 1290982, 1643068, 1844260, 2053835, 2581964, 3227455, 4107670, 4518437, 6454910, 8215340, 9036874, 12909820, 18073748, 22592185, 45184370, 90368740]

約数ペア:

[(1, 90368740), (2, 45184370), (4, 22592185), (5, 18073748), (7, 12909820), (10, 9036874), (11, 8215340), (14, 6454910), (20, 4518437), (22, 4107670), (28, 3227455), (35, 2581964), (44, 2053835), (49, 1844260), (55, 1643068), (70, 1290982), (77, 1173620), (83, 1088780), (98, 922130), (101, 894740), (110, 821534), (140, 645491), (154, 586810), (166, 544390), (196, 461065), (202, 447370), (220, 410767), (245, 368852), (308, 293405), (332, 272195), (385, 234724), (404, 223685), (415, 217756), (490, 184426), (505, 178948), (539, 167660), (581, 155540), (707, 127820), (770, 117362), (830, 108878), (913, 98980), (980, 92213), (1010, 89474), (1078, 83830), (1111, 81340), (1162, 77770), (1414, 63910), (1540, 58681), (1660, 54439), (1826, 49490), (2020, 44737), (2156, 41915), (2222, 40670), (2324, 38885), (2695, 33532), (2828, 31955), (2905, 31108), (3535, 25564), (3652, 24745), (4067, 22220), (4444, 20335), (4565, 19796), (4949, 18260), (5390, 16766), (5555, 16268), (5810, 15554), (6391, 14140), (7070, 12782), (7777, 11620), (8134, 11110), (8383, 10780), (9130, 9898)]