71377220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 162928584

約数和(自身を除く): 91551364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 233, 265, 289, 340, 466, 530, 578, 901, 932, 1060, 1156, 1165, 1445, 1802, 2330, 2890, 3604, 3961, 4505, 4660, 5780, 7922, 9010, 12349, 15317, 15844, 18020, 19805, 24698, 30634, 39610, 49396, 61268, 61745, 67337, 76585, 79220, 123490, 134674, 153170, 209933, 246980, 269348, 306340, 336685, 419866, 673370, 839732, 1049665, 1346740, 2099330, 3568861, 4198660, 7137722, 14275444, 17844305, 35688610, 71377220]

約数ペア:

[(1, 71377220), (2, 35688610), (4, 17844305), (5, 14275444), (10, 7137722), (17, 4198660), (20, 3568861), (34, 2099330), (53, 1346740), (68, 1049665), (85, 839732), (106, 673370), (170, 419866), (212, 336685), (233, 306340), (265, 269348), (289, 246980), (340, 209933), (466, 153170), (530, 134674), (578, 123490), (901, 79220), (932, 76585), (1060, 67337), (1156, 61745), (1165, 61268), (1445, 49396), (1802, 39610), (2330, 30634), (2890, 24698), (3604, 19805), (3961, 18020), (4505, 15844), (4660, 15317), (5780, 12349), (7922, 9010)]