30653980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{631}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 73898496

約数和(自身を除く): 43244516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 347, 631, 694, 1262, 1388, 1735, 2429, 2524, 3155, 3470, 4417, 4858, 6310, 6940, 8834, 9716, 12145, 12620, 17668, 22085, 24290, 44170, 48580, 88340, 218957, 437914, 875828, 1094785, 1532699, 2189570, 3065398, 4379140, 6130796, 7663495, 15326990, 30653980]

約数ペア:

[(1, 30653980), (2, 15326990), (4, 7663495), (5, 6130796), (7, 4379140), (10, 3065398), (14, 2189570), (20, 1532699), (28, 1094785), (35, 875828), (70, 437914), (140, 218957), (347, 88340), (631, 48580), (694, 44170), (1262, 24290), (1388, 22085), (1735, 17668), (2429, 12620), (2524, 12145), (3155, 9716), (3470, 8834), (4417, 6940), (4858, 6310)]