194610520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1381}}^1$

素因数の和:1676

約数の個数: 64

約数和(自身を含む): 473639040

約数和(自身を除く): 279028520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 271, 520, 542, 1084, 1355, 1381, 2168, 2710, 2762, 3523, 5420, 5524, 6905, 7046, 10840, 11048, 13810, 14092, 17615, 17953, 27620, 28184, 35230, 35906, 55240, 70460, 71812, 89765, 140920, 143624, 179530, 359060, 374251, 718120, 748502, 1497004, 1871255, 2994008, 3742510, 4865263, 7485020, 9730526, 14970040, 19461052, 24326315, 38922104, 48652630, 97305260, 194610520]

約数ペア:

[(1, 194610520), (2, 97305260), (4, 48652630), (5, 38922104), (8, 24326315), (10, 19461052), (13, 14970040), (20, 9730526), (26, 7485020), (40, 4865263), (52, 3742510), (65, 2994008), (104, 1871255), (130, 1497004), (260, 748502), (271, 718120), (520, 374251), (542, 359060), (1084, 179530), (1355, 143624), (1381, 140920), (2168, 89765), (2710, 71812), (2762, 70460), (3523, 55240), (5420, 35906), (5524, 35230), (6905, 28184), (7046, 27620), (10840, 17953), (11048, 17615), (13810, 14092)]