30307060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3049}}^1$

素因数の和:3136

約数の個数: 48

約数和(自身を含む): 73785600

約数和(自身を除く): 43478540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 3049, 4970, 6098, 9940, 12196, 15245, 21343, 30490, 42686, 60980, 85372, 106715, 213430, 216479, 426860, 432958, 865916, 1082395, 1515353, 2164790, 3030706, 4329580, 6061412, 7576765, 15153530, 30307060]

約数ペア:

[(1, 30307060), (2, 15153530), (4, 7576765), (5, 6061412), (7, 4329580), (10, 3030706), (14, 2164790), (20, 1515353), (28, 1082395), (35, 865916), (70, 432958), (71, 426860), (140, 216479), (142, 213430), (284, 106715), (355, 85372), (497, 60980), (710, 42686), (994, 30490), (1420, 21343), (1988, 15245), (2485, 12196), (3049, 9940), (4970, 6098)]