245016870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:726

約数の個数: 128

約数和(自身を含む): 706240512

約数和(自身を除く): 461223642

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 61, 62, 70, 93, 105, 122, 155, 183, 186, 210, 217, 305, 310, 366, 427, 434, 465, 610, 617, 651, 854, 915, 930, 1085, 1234, 1281, 1302, 1830, 1851, 1891, 2135, 2170, 2562, 3085, 3255, 3702, 3782, 4270, 4319, 5673, 6170, 6405, 6510, 8638, 9255, 9455, 11346, 12810, 12957, 13237, 18510, 18910, 19127, 21595, 25914, 26474, 28365, 37637, 38254, 39711, 43190, 56730, 57381, 64785, 66185, 75274, 79422, 95635, 112911, 114762, 129570, 132370, 133889, 188185, 191270, 198555, 225822, 263459, 267778, 286905, 376370, 397110, 401667, 526918, 564555, 573810, 669445, 790377, 803334, 1129110, 1166747, 1317295, 1338890, 1580754, 2008335, 2333494, 2634590, 3500241, 3951885, 4016670, 5833735, 7000482, 7903770, 8167229, 11667470, 16334458, 17501205, 24501687, 35002410, 40836145, 49003374, 81672290, 122508435, 245016870]

約数ペア:

[(1, 245016870), (2, 122508435), (3, 81672290), (5, 49003374), (6, 40836145), (7, 35002410), (10, 24501687), (14, 17501205), (15, 16334458), (21, 11667470), (30, 8167229), (31, 7903770), (35, 7000482), (42, 5833735), (61, 4016670), (62, 3951885), (70, 3500241), (93, 2634590), (105, 2333494), (122, 2008335), (155, 1580754), (183, 1338890), (186, 1317295), (210, 1166747), (217, 1129110), (305, 803334), (310, 790377), (366, 669445), (427, 573810), (434, 564555), (465, 526918), (610, 401667), (617, 397110), (651, 376370), (854, 286905), (915, 267778), (930, 263459), (1085, 225822), (1234, 198555), (1281, 191270), (1302, 188185), (1830, 133889), (1851, 132370), (1891, 129570), (2135, 114762), (2170, 112911), (2562, 95635), (3085, 79422), (3255, 75274), (3702, 66185), (3782, 64785), (4270, 57381), (4319, 56730), (5673, 43190), (6170, 39711), (6405, 38254), (6510, 37637), (8638, 28365), (9255, 26474), (9455, 25914), (11346, 21595), (12810, 19127), (12957, 18910), (13237, 18510)]