199931420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{16361}}^1$

素因数の和:16430

約数の個数: 48

約数和(自身を含む): 461801088

約数和(自身を除く): 261869668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 16361, 32722, 65444, 81805, 163610, 212693, 327220, 425386, 768967, 850772, 1063465, 1537934, 2126930, 3075868, 3844835, 4253860, 7689670, 9996571, 15379340, 19993142, 39986284, 49982855, 99965710, 199931420]

約数ペア:

[(1, 199931420), (2, 99965710), (4, 49982855), (5, 39986284), (10, 19993142), (13, 15379340), (20, 9996571), (26, 7689670), (47, 4253860), (52, 3844835), (65, 3075868), (94, 2126930), (130, 1537934), (188, 1063465), (235, 850772), (260, 768967), (470, 425386), (611, 327220), (940, 212693), (1222, 163610), (2444, 81805), (3055, 65444), (6110, 32722), (12220, 16361)]