28534580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 64162560

約数和(自身を除く): 35627980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 1231, 2318, 2462, 4636, 4924, 5795, 6155, 11590, 12310, 23180, 23389, 24620, 46778, 75091, 93556, 116945, 150182, 233890, 300364, 375455, 467780, 750910, 1426729, 1501820, 2853458, 5706916, 7133645, 14267290, 28534580]

約数ペア:

[(1, 28534580), (2, 14267290), (4, 7133645), (5, 5706916), (10, 2853458), (19, 1501820), (20, 1426729), (38, 750910), (61, 467780), (76, 375455), (95, 300364), (122, 233890), (190, 150182), (244, 116945), (305, 93556), (380, 75091), (610, 46778), (1159, 24620), (1220, 23389), (1231, 23180), (2318, 12310), (2462, 11590), (4636, 6155), (4924, 5795)]