64143550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:262

約数の個数: 72

約数和(自身を含む): 132933456

約数和(自身を除く): 68789906

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 193, 230, 289, 386, 391, 425, 575, 578, 782, 850, 965, 1150, 1445, 1930, 1955, 2890, 3281, 3910, 4439, 4825, 6562, 6647, 7225, 8878, 9650, 9775, 13294, 14450, 16405, 19550, 22195, 32810, 33235, 44390, 55777, 66470, 75463, 82025, 110975, 111554, 150926, 164050, 166175, 221950, 278885, 332350, 377315, 557770, 754630, 1282871, 1394425, 1886575, 2565742, 2788850, 3773150, 6414355, 12828710, 32071775, 64143550]

約数ペア:

[(1, 64143550), (2, 32071775), (5, 12828710), (10, 6414355), (17, 3773150), (23, 2788850), (25, 2565742), (34, 1886575), (46, 1394425), (50, 1282871), (85, 754630), (115, 557770), (170, 377315), (193, 332350), (230, 278885), (289, 221950), (386, 166175), (391, 164050), (425, 150926), (575, 111554), (578, 110975), (782, 82025), (850, 75463), (965, 66470), (1150, 55777), (1445, 44390), (1930, 33235), (1955, 32810), (2890, 22195), (3281, 19550), (3910, 16405), (4439, 14450), (4825, 13294), (6562, 9775), (6647, 9650), (7225, 8878)]