290996940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373073}}^1$

素因数の和:373098

約数の個数: 48

約数和(自身を含む): 877470048

約数和(自身を除く): 586473108

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, 373073, 746146, 1119219, 1492292, 1865365, 2238438, 3730730, 4476876, 4849949, 5596095, 7461460, 9699898, 11192190, 14549847, 19399796, 22384380, 24249745, 29099694, 48499490, 58199388, 72749235, 96998980, 145498470, 290996940]

約数ペア:

[(1, 290996940), (2, 145498470), (3, 96998980), (4, 72749235), (5, 58199388), (6, 48499490), (10, 29099694), (12, 24249745), (13, 22384380), (15, 19399796), (20, 14549847), (26, 11192190), (30, 9699898), (39, 7461460), (52, 5596095), (60, 4849949), (65, 4476876), (78, 3730730), (130, 2238438), (156, 1865365), (195, 1492292), (260, 1119219), (390, 746146), (780, 373073)]