2019469660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127331}}^1$

素因数の和:127414

約数の個数: 48

約数和(自身を含む): 4642015392

約数和(自身を除く): 2622545732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 15860, 127331, 254662, 509324, 636655, 1273310, 1655303, 2546620, 3310606, 6621212, 7767191, 8276515, 15534382, 16553030, 31068764, 33106060, 38835955, 77671910, 100973483, 155343820, 201946966, 403893932, 504867415, 1009734830, 2019469660]

約数ペア:

[(1, 2019469660), (2, 1009734830), (4, 504867415), (5, 403893932), (10, 201946966), (13, 155343820), (20, 100973483), (26, 77671910), (52, 38835955), (61, 33106060), (65, 31068764), (122, 16553030), (130, 15534382), (244, 8276515), (260, 7767191), (305, 6621212), (610, 3310606), (793, 2546620), (1220, 1655303), (1586, 1273310), (3172, 636655), (3965, 509324), (7930, 254662), (15860, 127331)]