1570647980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{90371}}^1$

素因数の和:90470

約数の個数: 48

約数和(自身を含む): 3643799040

約数和(自身を除く): 2073151060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 17380, 90371, 180742, 361484, 451855, 903710, 994081, 1807420, 1988162, 3976324, 4970405, 7139309, 9940810, 14278618, 19881620, 28557236, 35696545, 71393090, 78532399, 142786180, 157064798, 314129596, 392661995, 785323990, 1570647980]

約数ペア:

[(1, 1570647980), (2, 785323990), (4, 392661995), (5, 314129596), (10, 157064798), (11, 142786180), (20, 78532399), (22, 71393090), (44, 35696545), (55, 28557236), (79, 19881620), (110, 14278618), (158, 9940810), (220, 7139309), (316, 4970405), (395, 3976324), (790, 1988162), (869, 1807420), (1580, 994081), (1738, 903710), (3476, 451855), (4345, 361484), (8690, 180742), (17380, 90371)]