890231940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{380441}}^1$

素因数の和:380469

約数の個数: 72

約数和(自身を含む): 2908098648

約数和(自身を除く): 2017866708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 380441, 760882, 1141323, 1521764, 1902205, 2282646, 3423969, 3804410, 4565292, 4945733, 5706615, 6847938, 7608820, 9891466, 11413230, 13695876, 14837199, 17119845, 19782932, 22826460, 24728665, 29674398, 34239690, 44511597, 49457330, 59348796, 68479380, 74185995, 89023194, 98914660, 148371990, 178046388, 222557985, 296743980, 445115970, 890231940]

約数ペア:

[(1, 890231940), (2, 445115970), (3, 296743980), (4, 222557985), (5, 178046388), (6, 148371990), (9, 98914660), (10, 89023194), (12, 74185995), (13, 68479380), (15, 59348796), (18, 49457330), (20, 44511597), (26, 34239690), (30, 29674398), (36, 24728665), (39, 22826460), (45, 19782932), (52, 17119845), (60, 14837199), (65, 13695876), (78, 11413230), (90, 9891466), (117, 7608820), (130, 6847938), (156, 5706615), (180, 4945733), (195, 4565292), (234, 3804410), (260, 3423969), (390, 2282646), (468, 1902205), (585, 1521764), (780, 1141323), (1170, 760882), (2340, 380441)]