624652980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{212467}}^1$

素因数の和:212493

約数の個数: 72

約数和(自身を含む): 2034593568

約数和(自身を除く): 1409940588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 212467, 424934, 637401, 849868, 1062335, 1274802, 1487269, 2124670, 2549604, 2974538, 3187005, 4249340, 4461807, 5949076, 6374010, 7436345, 8923614, 10410883, 12748020, 14872690, 17847228, 20821766, 22309035, 29745380, 31232649, 41643532, 44618070, 52054415, 62465298, 89236140, 104108830, 124930596, 156163245, 208217660, 312326490, 624652980]

約数ペア:

[(1, 624652980), (2, 312326490), (3, 208217660), (4, 156163245), (5, 124930596), (6, 104108830), (7, 89236140), (10, 62465298), (12, 52054415), (14, 44618070), (15, 41643532), (20, 31232649), (21, 29745380), (28, 22309035), (30, 20821766), (35, 17847228), (42, 14872690), (49, 12748020), (60, 10410883), (70, 8923614), (84, 7436345), (98, 6374010), (105, 5949076), (140, 4461807), (147, 4249340), (196, 3187005), (210, 2974538), (245, 2549604), (294, 2124670), (420, 1487269), (490, 1274802), (588, 1062335), (735, 849868), (980, 637401), (1470, 424934), (2940, 212467)]