2179502020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{22483}}^1$

素因数の和:22660

約数の個数: 48

約数和(自身を含む): 4736749248

約数和(自身を除く): 2557247228

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 185, 262, 370, 524, 655, 740, 1310, 2620, 4847, 9694, 19388, 22483, 24235, 44966, 48470, 89932, 96940, 112415, 224830, 449660, 831871, 1663742, 2945273, 3327484, 4159355, 5890546, 8318710, 11781092, 14726365, 16637420, 29452730, 58905460, 108975101, 217950202, 435900404, 544875505, 1089751010, 2179502020]

約数ペア:

[(1, 2179502020), (2, 1089751010), (4, 544875505), (5, 435900404), (10, 217950202), (20, 108975101), (37, 58905460), (74, 29452730), (131, 16637420), (148, 14726365), (185, 11781092), (262, 8318710), (370, 5890546), (524, 4159355), (655, 3327484), (740, 2945273), (1310, 1663742), (2620, 831871), (4847, 449660), (9694, 224830), (19388, 112415), (22483, 96940), (24235, 89932), (44966, 48470)]