30891010

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 57250800

約数和(自身を除く): 26359790

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 445, 569, 610, 890, 1138, 2845, 5429, 5690, 10858, 27145, 34709, 50641, 54290, 69418, 101282, 173545, 253205, 347090, 506410, 3089101, 6178202, 15445505, 30891010]

約数ペア:

[(1, 30891010), (2, 15445505), (5, 6178202), (10, 3089101), (61, 506410), (89, 347090), (122, 253205), (178, 173545), (305, 101282), (445, 69418), (569, 54290), (610, 50641), (890, 34709), (1138, 27145), (2845, 10858), (5429, 5690)]