47749220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 102603648

約数和(自身を除く): 54854428

約数列:

[1, 2, 4, 5, 10, 20, 97, 151, 163, 194, 302, 326, 388, 485, 604, 652, 755, 815, 970, 1510, 1630, 1940, 3020, 3260, 14647, 15811, 24613, 29294, 31622, 49226, 58588, 63244, 73235, 79055, 98452, 123065, 146470, 158110, 246130, 292940, 316220, 492260, 2387461, 4774922, 9549844, 11937305, 23874610, 47749220]

約数ペア:

[(1, 47749220), (2, 23874610), (4, 11937305), (5, 9549844), (10, 4774922), (20, 2387461), (97, 492260), (151, 316220), (163, 292940), (194, 246130), (302, 158110), (326, 146470), (388, 123065), (485, 98452), (604, 79055), (652, 73235), (755, 63244), (815, 58588), (970, 49226), (1510, 31622), (1630, 29294), (1940, 24613), (3020, 15811), (3260, 14647)]