28250380

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 61236000

約数和(自身を除く): 32985620

約数列:

[1, 2, 4, 5, 10, 20, 59, 89, 118, 178, 236, 269, 295, 356, 445, 538, 590, 890, 1076, 1180, 1345, 1780, 2690, 5251, 5380, 10502, 15871, 21004, 23941, 26255, 31742, 47882, 52510, 63484, 79355, 95764, 105020, 119705, 158710, 239410, 317420, 478820, 1412519, 2825038, 5650076, 7062595, 14125190, 28250380]

約数ペア:

[(1, 28250380), (2, 14125190), (4, 7062595), (5, 5650076), (10, 2825038), (20, 1412519), (59, 478820), (89, 317420), (118, 239410), (178, 158710), (236, 119705), (269, 105020), (295, 95764), (356, 79355), (445, 63484), (538, 52510), (590, 47882), (890, 31742), (1076, 26255), (1180, 23941), (1345, 21004), (1780, 15871), (2690, 10502), (5251, 5380)]