189580020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{64483}}^1$

素因数の和:64509

約数の個数: 72

約数和(自身を含む): 617498784

約数和(自身を除く): 427918764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 64483, 128966, 193449, 257932, 322415, 386898, 451381, 644830, 773796, 902762, 967245, 1289660, 1354143, 1805524, 1934490, 2256905, 2708286, 3159667, 3868980, 4513810, 5416572, 6319334, 6770715, 9027620, 9479001, 12638668, 13541430, 15798335, 18958002, 27082860, 31596670, 37916004, 47395005, 63193340, 94790010, 189580020]

約数ペア:

[(1, 189580020), (2, 94790010), (3, 63193340), (4, 47395005), (5, 37916004), (6, 31596670), (7, 27082860), (10, 18958002), (12, 15798335), (14, 13541430), (15, 12638668), (20, 9479001), (21, 9027620), (28, 6770715), (30, 6319334), (35, 5416572), (42, 4513810), (49, 3868980), (60, 3159667), (70, 2708286), (84, 2256905), (98, 1934490), (105, 1805524), (140, 1354143), (147, 1289660), (196, 967245), (210, 902762), (245, 773796), (294, 644830), (420, 451381), (490, 386898), (588, 322415), (735, 257932), (980, 193449), (1470, 128966), (2940, 64483)]