2137880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 5292000

約数和(自身を除く): 3154120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 97, 116, 145, 152, 190, 194, 232, 290, 380, 388, 485, 551, 580, 760, 776, 970, 1102, 1160, 1843, 1940, 2204, 2755, 2813, 3686, 3880, 4408, 5510, 5626, 7372, 9215, 11020, 11252, 14065, 14744, 18430, 22040, 22504, 28130, 36860, 53447, 56260, 73720, 106894, 112520, 213788, 267235, 427576, 534470, 1068940, 2137880]

約数ペア:

[(1, 2137880), (2, 1068940), (4, 534470), (5, 427576), (8, 267235), (10, 213788), (19, 112520), (20, 106894), (29, 73720), (38, 56260), (40, 53447), (58, 36860), (76, 28130), (95, 22504), (97, 22040), (116, 18430), (145, 14744), (152, 14065), (190, 11252), (194, 11020), (232, 9215), (290, 7372), (380, 5626), (388, 5510), (485, 4408), (551, 3880), (580, 3686), (760, 2813), (776, 2755), (970, 2204), (1102, 1940), (1160, 1843)]