440348580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{349483}}^1$

素因数の和:349505

約数の個数: 72

約数和(自身を含む): 1526546112

約数和(自身を除く): 1086197532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 349483, 698966, 1048449, 1397932, 1747415, 2096898, 2446381, 3145347, 3494830, 4193796, 4892762, 5242245, 6290694, 6989660, 7339143, 9785524, 10484490, 12231905, 12581388, 14678286, 15726735, 20968980, 22017429, 24463810, 29356572, 31453470, 36695715, 44034858, 48927620, 62906940, 73391430, 88069716, 110087145, 146782860, 220174290, 440348580]

約数ペア:

[(1, 440348580), (2, 220174290), (3, 146782860), (4, 110087145), (5, 88069716), (6, 73391430), (7, 62906940), (9, 48927620), (10, 44034858), (12, 36695715), (14, 31453470), (15, 29356572), (18, 24463810), (20, 22017429), (21, 20968980), (28, 15726735), (30, 14678286), (35, 12581388), (36, 12231905), (42, 10484490), (45, 9785524), (60, 7339143), (63, 6989660), (70, 6290694), (84, 5242245), (90, 4892762), (105, 4193796), (126, 3494830), (140, 3145347), (180, 2446381), (210, 2096898), (252, 1747415), (315, 1397932), (420, 1048449), (630, 698966), (1260, 349483)]