85288420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3001}}^1$

素因数の和:3053

約数の個数: 72

約数和(自身を含む): 215603640

約数和(自身を除く): 130315220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2842, 3001, 4060, 5684, 6002, 7105, 12004, 14210, 15005, 21007, 28420, 30010, 42014, 60020, 84028, 87029, 105035, 147049, 174058, 210070, 294098, 348116, 420140, 435145, 588196, 609203, 735245, 870290, 1218406, 1470490, 1740580, 2436812, 2940980, 3046015, 4264421, 6092030, 8528842, 12184060, 17057684, 21322105, 42644210, 85288420]

約数ペア:

[(1, 85288420), (2, 42644210), (4, 21322105), (5, 17057684), (7, 12184060), (10, 8528842), (14, 6092030), (20, 4264421), (28, 3046015), (29, 2940980), (35, 2436812), (49, 1740580), (58, 1470490), (70, 1218406), (98, 870290), (116, 735245), (140, 609203), (145, 588196), (196, 435145), (203, 420140), (245, 348116), (290, 294098), (406, 210070), (490, 174058), (580, 147049), (812, 105035), (980, 87029), (1015, 84028), (1421, 60020), (2030, 42014), (2842, 30010), (3001, 28420), (4060, 21007), (5684, 15005), (6002, 14210), (7105, 12004)]