245161420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{431}}^1$

素因数の和:703

約数の個数: 96

約数和(自身を含む): 627056640

約数和(自身を除く): 381895220

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 239, 340, 431, 476, 478, 595, 862, 956, 1190, 1195, 1673, 1724, 2155, 2380, 2390, 3017, 3346, 4063, 4310, 4780, 6034, 6692, 7327, 8126, 8365, 8620, 12068, 14654, 15085, 16252, 16730, 20315, 28441, 29308, 30170, 33460, 36635, 40630, 51289, 56882, 60340, 73270, 81260, 102578, 103009, 113764, 142205, 146540, 205156, 206018, 256445, 284410, 412036, 512890, 515045, 568820, 721063, 1025780, 1030090, 1442126, 1751153, 2060180, 2884252, 3502306, 3605315, 7004612, 7210630, 8755765, 12258071, 14421260, 17511530, 24516142, 35023060, 49032284, 61290355, 122580710, 245161420]

約数ペア:

[(1, 245161420), (2, 122580710), (4, 61290355), (5, 49032284), (7, 35023060), (10, 24516142), (14, 17511530), (17, 14421260), (20, 12258071), (28, 8755765), (34, 7210630), (35, 7004612), (68, 3605315), (70, 3502306), (85, 2884252), (119, 2060180), (140, 1751153), (170, 1442126), (238, 1030090), (239, 1025780), (340, 721063), (431, 568820), (476, 515045), (478, 512890), (595, 412036), (862, 284410), (956, 256445), (1190, 206018), (1195, 205156), (1673, 146540), (1724, 142205), (2155, 113764), (2380, 103009), (2390, 102578), (3017, 81260), (3346, 73270), (4063, 60340), (4310, 56882), (4780, 51289), (6034, 40630), (6692, 36635), (7327, 33460), (8126, 30170), (8365, 29308), (8620, 28441), (12068, 20315), (14654, 16730), (15085, 16252)]