222778140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{285613}}^1$

素因数の和:285638

約数の個数: 48

約数和(自身を含む): 671764128

約数和(自身を除く): 448985988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 285613, 571226, 856839, 1142452, 1428065, 1713678, 2856130, 3427356, 3712969, 4284195, 5712260, 7425938, 8568390, 11138907, 14851876, 17136780, 18564845, 22277814, 37129690, 44555628, 55694535, 74259380, 111389070, 222778140]

約数ペア:

[(1, 222778140), (2, 111389070), (3, 74259380), (4, 55694535), (5, 44555628), (6, 37129690), (10, 22277814), (12, 18564845), (13, 17136780), (15, 14851876), (20, 11138907), (26, 8568390), (30, 7425938), (39, 5712260), (52, 4284195), (60, 3712969), (65, 3427356), (78, 2856130), (130, 1713678), (156, 1428065), (195, 1142452), (260, 856839), (390, 571226), (780, 285613)]