201540455

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 256819200

約数和(自身を除く): 55278745

約数列:

[1, 5, 31, 79, 109, 151, 155, 395, 545, 755, 2449, 3379, 4681, 8611, 11929, 12245, 16459, 16895, 23405, 43055, 59645, 82295, 266941, 369799, 510229, 1300261, 1334705, 1848995, 2551145, 6501305, 40308091, 201540455]

約数ペア:

[(1, 201540455), (5, 40308091), (31, 6501305), (79, 2551145), (109, 1848995), (151, 1334705), (155, 1300261), (395, 510229), (545, 369799), (755, 266941), (2449, 82295), (3379, 59645), (4681, 43055), (8611, 23405), (11929, 16895), (12245, 16459)]