901605980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{178183}}^1$

素因数の和:178226

約数の個数: 48

約数和(自身を含む): 2155313664

約数和(自身を除く): 1253707684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 178183, 356366, 712732, 890915, 1781830, 1960013, 3563660, 3920026, 4098209, 7840052, 8196418, 9800065, 16392836, 19600130, 20491045, 39200260, 40982090, 45080299, 81964180, 90160598, 180321196, 225401495, 450802990, 901605980]

約数ペア:

[(1, 901605980), (2, 450802990), (4, 225401495), (5, 180321196), (10, 90160598), (11, 81964180), (20, 45080299), (22, 40982090), (23, 39200260), (44, 20491045), (46, 19600130), (55, 16392836), (92, 9800065), (110, 8196418), (115, 7840052), (220, 4098209), (230, 3920026), (253, 3563660), (460, 1960013), (506, 1781830), (1012, 890915), (1265, 712732), (2530, 356366), (5060, 178183)]