87628940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 221319168

約数和(自身を除く): 133690228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 61, 62, 70, 122, 124, 140, 155, 217, 244, 305, 310, 331, 427, 434, 610, 620, 662, 854, 868, 1085, 1220, 1324, 1655, 1708, 1891, 2135, 2170, 2317, 3310, 3782, 4270, 4340, 4634, 6620, 7564, 8540, 9268, 9455, 10261, 11585, 13237, 18910, 20191, 20522, 23170, 26474, 37820, 40382, 41044, 46340, 51305, 52948, 66185, 71827, 80764, 100955, 102610, 132370, 141337, 143654, 201910, 205220, 264740, 282674, 287308, 359135, 403820, 565348, 625921, 706685, 718270, 1251842, 1413370, 1436540, 2503684, 2826740, 3129605, 4381447, 6259210, 8762894, 12518420, 17525788, 21907235, 43814470, 87628940]

約数ペア:

[(1, 87628940), (2, 43814470), (4, 21907235), (5, 17525788), (7, 12518420), (10, 8762894), (14, 6259210), (20, 4381447), (28, 3129605), (31, 2826740), (35, 2503684), (61, 1436540), (62, 1413370), (70, 1251842), (122, 718270), (124, 706685), (140, 625921), (155, 565348), (217, 403820), (244, 359135), (305, 287308), (310, 282674), (331, 264740), (427, 205220), (434, 201910), (610, 143654), (620, 141337), (662, 132370), (854, 102610), (868, 100955), (1085, 80764), (1220, 71827), (1324, 66185), (1655, 52948), (1708, 51305), (1891, 46340), (2135, 41044), (2170, 40382), (2317, 37820), (3310, 26474), (3782, 23170), (4270, 20522), (4340, 20191), (4634, 18910), (6620, 13237), (7564, 11585), (8540, 10261), (9268, 9455)]