921430380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1181321}}^1$

素因数の和:1181346

約数の個数: 48

約数和(自身を含む): 2778469344

約数和(自身を除く): 1857038964

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, 1181321, 2362642, 3543963, 4725284, 5906605, 7087926, 11813210, 14175852, 15357173, 17719815, 23626420, 30714346, 35439630, 46071519, 61428692, 70879260, 76785865, 92143038, 153571730, 184286076, 230357595, 307143460, 460715190, 921430380]

約数ペア:

[(1, 921430380), (2, 460715190), (3, 307143460), (4, 230357595), (5, 184286076), (6, 153571730), (10, 92143038), (12, 76785865), (13, 70879260), (15, 61428692), (20, 46071519), (26, 35439630), (30, 30714346), (39, 23626420), (52, 17719815), (60, 15357173), (65, 14175852), (78, 11813210), (130, 7087926), (156, 5906605), (195, 4725284), (260, 3543963), (390, 2362642), (780, 1181321)]