1904386380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2441521}}^1$

素因数の和:2441546

約数の個数: 48

約数和(自身を含む): 5742459744

約数和(自身を除く): 3838073364

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, 2441521, 4883042, 7324563, 9766084, 12207605, 14649126, 24415210, 29298252, 31739773, 36622815, 48830420, 63479546, 73245630, 95219319, 126959092, 146491260, 158698865, 190438638, 317397730, 380877276, 476096595, 634795460, 952193190, 1904386380]

約数ペア:

[(1, 1904386380), (2, 952193190), (3, 634795460), (4, 476096595), (5, 380877276), (6, 317397730), (10, 190438638), (12, 158698865), (13, 146491260), (15, 126959092), (20, 95219319), (26, 73245630), (30, 63479546), (39, 48830420), (52, 36622815), (60, 31739773), (65, 29298252), (78, 24415210), (130, 14649126), (156, 12207605), (195, 9766084), (260, 7324563), (390, 4883042), (780, 2441521)]