30199480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 72900000

約数和(自身を除く): 42700520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 499, 680, 712, 890, 998, 1513, 1780, 1996, 2495, 3026, 3560, 3992, 4990, 6052, 7565, 8483, 9980, 12104, 15130, 16966, 19960, 30260, 33932, 42415, 44411, 60520, 67864, 84830, 88822, 169660, 177644, 222055, 339320, 355288, 444110, 754987, 888220, 1509974, 1776440, 3019948, 3774935, 6039896, 7549870, 15099740, 30199480]

約数ペア:

[(1, 30199480), (2, 15099740), (4, 7549870), (5, 6039896), (8, 3774935), (10, 3019948), (17, 1776440), (20, 1509974), (34, 888220), (40, 754987), (68, 444110), (85, 355288), (89, 339320), (136, 222055), (170, 177644), (178, 169660), (340, 88822), (356, 84830), (445, 67864), (499, 60520), (680, 44411), (712, 42415), (890, 33932), (998, 30260), (1513, 19960), (1780, 16966), (1996, 15130), (2495, 12104), (3026, 9980), (3560, 8483), (3992, 7565), (4990, 6052)]