205796920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12049}}^1$

素因数の和:12128

約数の個数: 64

約数和(自身を含む): 537912000

約数和(自身を除く): 332115080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 8540, 12049, 17080, 24098, 48196, 60245, 84343, 96392, 120490, 168686, 240980, 337372, 421715, 481960, 674744, 734989, 843430, 1469978, 1686860, 2939956, 3373720, 3674945, 5144923, 5879912, 7349890, 10289846, 14699780, 20579692, 25724615, 29399560, 41159384, 51449230, 102898460, 205796920]

約数ペア:

[(1, 205796920), (2, 102898460), (4, 51449230), (5, 41159384), (7, 29399560), (8, 25724615), (10, 20579692), (14, 14699780), (20, 10289846), (28, 7349890), (35, 5879912), (40, 5144923), (56, 3674945), (61, 3373720), (70, 2939956), (122, 1686860), (140, 1469978), (244, 843430), (280, 734989), (305, 674744), (427, 481960), (488, 421715), (610, 337372), (854, 240980), (1220, 168686), (1708, 120490), (2135, 96392), (2440, 84343), (3416, 60245), (4270, 48196), (8540, 24098), (12049, 17080)]