15214940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 34739040

約数和(自身を除く): 19524100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 421, 556, 695, 842, 1390, 1684, 1807, 2105, 2780, 3614, 4210, 5473, 7228, 8420, 9035, 10946, 18070, 21892, 27365, 36140, 54730, 58519, 109460, 117038, 234076, 292595, 585190, 760747, 1170380, 1521494, 3042988, 3803735, 7607470, 15214940]

約数ペア:

[(1, 15214940), (2, 7607470), (4, 3803735), (5, 3042988), (10, 1521494), (13, 1170380), (20, 760747), (26, 585190), (52, 292595), (65, 234076), (130, 117038), (139, 109460), (260, 58519), (278, 54730), (421, 36140), (556, 27365), (695, 21892), (842, 18070), (1390, 10946), (1684, 9035), (1807, 8420), (2105, 7228), (2780, 5473), (3614, 4210)]