172886980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 434649600

約数和(自身を除く): 261762620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 97, 116, 140, 145, 194, 203, 290, 388, 406, 439, 485, 580, 679, 812, 878, 970, 1015, 1358, 1756, 1940, 2030, 2195, 2716, 2813, 3073, 3395, 4060, 4390, 5626, 6146, 6790, 8780, 11252, 12292, 12731, 13580, 14065, 15365, 19691, 25462, 28130, 30730, 39382, 42583, 50924, 56260, 61460, 63655, 78764, 85166, 89117, 98455, 127310, 170332, 178234, 196910, 212915, 254620, 298081, 356468, 393820, 425830, 445585, 596162, 851660, 891170, 1192324, 1234907, 1490405, 1782340, 2469814, 2980810, 4939628, 5961620, 6174535, 8644349, 12349070, 17288698, 24698140, 34577396, 43221745, 86443490, 172886980]

約数ペア:

[(1, 172886980), (2, 86443490), (4, 43221745), (5, 34577396), (7, 24698140), (10, 17288698), (14, 12349070), (20, 8644349), (28, 6174535), (29, 5961620), (35, 4939628), (58, 2980810), (70, 2469814), (97, 1782340), (116, 1490405), (140, 1234907), (145, 1192324), (194, 891170), (203, 851660), (290, 596162), (388, 445585), (406, 425830), (439, 393820), (485, 356468), (580, 298081), (679, 254620), (812, 212915), (878, 196910), (970, 178234), (1015, 170332), (1358, 127310), (1756, 98455), (1940, 89117), (2030, 85166), (2195, 78764), (2716, 63655), (2813, 61460), (3073, 56260), (3395, 50924), (4060, 42583), (4390, 39382), (5626, 30730), (6146, 28130), (6790, 25462), (8780, 19691), (11252, 15365), (12292, 14065), (12731, 13580)]