209366900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1151}}^1$

素因数の和:1289

約数の個数: 72

約数和(自身を含む): 485968896

約数和(自身を除く): 276601996

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 107, 170, 214, 340, 425, 428, 535, 850, 1070, 1151, 1700, 1819, 2140, 2302, 2675, 3638, 4604, 5350, 5755, 7276, 9095, 10700, 11510, 18190, 19567, 23020, 28775, 36380, 39134, 45475, 57550, 78268, 90950, 97835, 115100, 123157, 181900, 195670, 246314, 391340, 489175, 492628, 615785, 978350, 1231570, 1956700, 2093669, 2463140, 3078925, 4187338, 6157850, 8374676, 10468345, 12315700, 20936690, 41873380, 52341725, 104683450, 209366900]

約数ペア:

[(1, 209366900), (2, 104683450), (4, 52341725), (5, 41873380), (10, 20936690), (17, 12315700), (20, 10468345), (25, 8374676), (34, 6157850), (50, 4187338), (68, 3078925), (85, 2463140), (100, 2093669), (107, 1956700), (170, 1231570), (214, 978350), (340, 615785), (425, 492628), (428, 489175), (535, 391340), (850, 246314), (1070, 195670), (1151, 181900), (1700, 123157), (1819, 115100), (2140, 97835), (2302, 90950), (2675, 78268), (3638, 57550), (4604, 45475), (5350, 39134), (5755, 36380), (7276, 28775), (9095, 23020), (10700, 19567), (11510, 18190)]