30494620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6173}}^1$

素因数の和:6214

約数の個数: 48

約数和(自身を含む): 72606240

約数和(自身を除く): 42111620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 6173, 12346, 24692, 30865, 61730, 80249, 117287, 123460, 160498, 234574, 320996, 401245, 469148, 586435, 802490, 1172870, 1524731, 1604980, 2345740, 3049462, 6098924, 7623655, 15247310, 30494620]

約数ペア:

[(1, 30494620), (2, 15247310), (4, 7623655), (5, 6098924), (10, 3049462), (13, 2345740), (19, 1604980), (20, 1524731), (26, 1172870), (38, 802490), (52, 586435), (65, 469148), (76, 401245), (95, 320996), (130, 234574), (190, 160498), (247, 123460), (260, 117287), (380, 80249), (494, 61730), (988, 30865), (1235, 24692), (2470, 12346), (4940, 6173)]