17668420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{149}}^1$

素因数の和:194

約数の個数: 108

約数和(自身を含む): 47760300

約数和(自身を除く): 30091880

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 121, 140, 149, 154, 196, 220, 242, 245, 298, 308, 385, 484, 490, 539, 596, 605, 745, 770, 847, 980, 1043, 1078, 1210, 1490, 1540, 1639, 1694, 2086, 2156, 2420, 2695, 2980, 3278, 3388, 4172, 4235, 5215, 5390, 5929, 6556, 7301, 8195, 8470, 10430, 10780, 11473, 11858, 14602, 16390, 16940, 18029, 20860, 22946, 23716, 29204, 29645, 32780, 36058, 36505, 45892, 57365, 59290, 72116, 73010, 80311, 90145, 114730, 118580, 126203, 146020, 160622, 180290, 229460, 252406, 321244, 360580, 401555, 504812, 631015, 803110, 883421, 1262030, 1606220, 1766842, 2524060, 3533684, 4417105, 8834210, 17668420]

約数ペア:

[(1, 17668420), (2, 8834210), (4, 4417105), (5, 3533684), (7, 2524060), (10, 1766842), (11, 1606220), (14, 1262030), (20, 883421), (22, 803110), (28, 631015), (35, 504812), (44, 401555), (49, 360580), (55, 321244), (70, 252406), (77, 229460), (98, 180290), (110, 160622), (121, 146020), (140, 126203), (149, 118580), (154, 114730), (196, 90145), (220, 80311), (242, 73010), (245, 72116), (298, 59290), (308, 57365), (385, 45892), (484, 36505), (490, 36058), (539, 32780), (596, 29645), (605, 29204), (745, 23716), (770, 22946), (847, 20860), (980, 18029), (1043, 16940), (1078, 16390), (1210, 14602), (1490, 11858), (1540, 11473), (1639, 10780), (1694, 10430), (2086, 8470), (2156, 8195), (2420, 7301), (2695, 6556), (2980, 5929), (3278, 5390), (3388, 5215), (4172, 4235)]