74454020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{937}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 163099440

約数和(自身を除く): 88645420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 274, 290, 548, 580, 685, 937, 1370, 1874, 2740, 3748, 3973, 4685, 7946, 9370, 15892, 18740, 19865, 27173, 39730, 54346, 79460, 108692, 128369, 135865, 256738, 271730, 513476, 543460, 641845, 1283690, 2567380, 3722701, 7445402, 14890804, 18613505, 37227010, 74454020]

約数ペア:

[(1, 74454020), (2, 37227010), (4, 18613505), (5, 14890804), (10, 7445402), (20, 3722701), (29, 2567380), (58, 1283690), (116, 641845), (137, 543460), (145, 513476), (274, 271730), (290, 256738), (548, 135865), (580, 128369), (685, 108692), (937, 79460), (1370, 54346), (1874, 39730), (2740, 27173), (3748, 19865), (3973, 18740), (4685, 15892), (7946, 9370)]