178949940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229423}}^1$

素因数の和:229448

約数の個数: 48

約数和(自身を含む): 539605248

約数和(自身を除く): 360655308

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, 229423, 458846, 688269, 917692, 1147115, 1376538, 2294230, 2753076, 2982499, 3441345, 4588460, 5964998, 6882690, 8947497, 11929996, 13765380, 14912495, 17894994, 29824990, 35789988, 44737485, 59649980, 89474970, 178949940]

約数ペア:

[(1, 178949940), (2, 89474970), (3, 59649980), (4, 44737485), (5, 35789988), (6, 29824990), (10, 17894994), (12, 14912495), (13, 13765380), (15, 11929996), (20, 8947497), (26, 6882690), (30, 5964998), (39, 4588460), (52, 3441345), (60, 2982499), (65, 2753076), (78, 2294230), (130, 1376538), (156, 1147115), (195, 917692), (260, 688269), (390, 458846), (780, 229423)]