1889940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2423}}^1$

素因数の和:2448

約数の個数: 48

約数和(自身を含む): 5701248

約数和(自身を除く): 3811308

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, 2423, 4846, 7269, 9692, 12115, 14538, 24230, 29076, 31499, 36345, 48460, 62998, 72690, 94497, 125996, 145380, 157495, 188994, 314990, 377988, 472485, 629980, 944970, 1889940]

約数ペア:

[(1, 1889940), (2, 944970), (3, 629980), (4, 472485), (5, 377988), (6, 314990), (10, 188994), (12, 157495), (13, 145380), (15, 125996), (20, 94497), (26, 72690), (30, 62998), (39, 48460), (52, 36345), (60, 31499), (65, 29076), (78, 24230), (130, 14538), (156, 12115), (195, 9692), (260, 7269), (390, 4846), (780, 2423)]