505532020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{9733}}^1$

素因数の和:9809

約数の個数: 72

約数和(自身を含む): 1258372584

約数和(自身を除く): 752840564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1855, 2597, 3710, 5194, 7420, 9733, 10388, 12985, 19466, 25970, 38932, 48665, 51940, 68131, 97330, 136262, 194660, 272524, 340655, 476917, 515849, 681310, 953834, 1031698, 1362620, 1907668, 2063396, 2384585, 2579245, 3610943, 4769170, 5158490, 7221886, 9538340, 10316980, 14443772, 18054715, 25276601, 36109430, 50553202, 72218860, 101106404, 126383005, 252766010, 505532020]

約数ペア:

[(1, 505532020), (2, 252766010), (4, 126383005), (5, 101106404), (7, 72218860), (10, 50553202), (14, 36109430), (20, 25276601), (28, 18054715), (35, 14443772), (49, 10316980), (53, 9538340), (70, 7221886), (98, 5158490), (106, 4769170), (140, 3610943), (196, 2579245), (212, 2384585), (245, 2063396), (265, 1907668), (371, 1362620), (490, 1031698), (530, 953834), (742, 681310), (980, 515849), (1060, 476917), (1484, 340655), (1855, 272524), (2597, 194660), (3710, 136262), (5194, 97330), (7420, 68131), (9733, 51940), (10388, 48665), (12985, 38932), (19466, 25970)]