30429880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 74440800

約数和(自身を除く): 44010920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 421, 520, 556, 695, 842, 1112, 1390, 1684, 1807, 2105, 2780, 3368, 3614, 4210, 5473, 5560, 7228, 8420, 9035, 10946, 14456, 16840, 18070, 21892, 27365, 36140, 43784, 54730, 58519, 72280, 109460, 117038, 218920, 234076, 292595, 468152, 585190, 760747, 1170380, 1521494, 2340760, 3042988, 3803735, 6085976, 7607470, 15214940, 30429880]

約数ペア:

[(1, 30429880), (2, 15214940), (4, 7607470), (5, 6085976), (8, 3803735), (10, 3042988), (13, 2340760), (20, 1521494), (26, 1170380), (40, 760747), (52, 585190), (65, 468152), (104, 292595), (130, 234076), (139, 218920), (260, 117038), (278, 109460), (421, 72280), (520, 58519), (556, 54730), (695, 43784), (842, 36140), (1112, 27365), (1390, 21892), (1684, 18070), (1807, 16840), (2105, 14456), (2780, 10946), (3368, 9035), (3614, 8420), (4210, 7228), (5473, 5560)]