274846520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2683}}^1$

素因数の和:2904

約数の個数: 64

約数和(自身を含む): 669604320

約数和(自身を除く): 394757800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 788, 985, 1576, 1970, 2561, 2683, 3940, 5122, 5366, 7880, 10244, 10732, 12805, 13415, 20488, 21464, 25610, 26830, 34879, 51220, 53660, 69758, 102440, 107320, 139516, 174395, 279032, 348790, 528551, 697580, 1057102, 1395160, 2114204, 2642755, 4228408, 5285510, 6871163, 10571020, 13742326, 21142040, 27484652, 34355815, 54969304, 68711630, 137423260, 274846520]

約数ペア:

[(1, 274846520), (2, 137423260), (4, 68711630), (5, 54969304), (8, 34355815), (10, 27484652), (13, 21142040), (20, 13742326), (26, 10571020), (40, 6871163), (52, 5285510), (65, 4228408), (104, 2642755), (130, 2114204), (197, 1395160), (260, 1057102), (394, 697580), (520, 528551), (788, 348790), (985, 279032), (1576, 174395), (1970, 139516), (2561, 107320), (2683, 102440), (3940, 69758), (5122, 53660), (5366, 51220), (7880, 34879), (10244, 26830), (10732, 25610), (12805, 21464), (13415, 20488)]