311170580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{10949}}^1$

素因数の和:11001

約数の個数: 72

約数和(自身を含む): 786429000

約数和(自身を除く): 475258420

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, 4060, 5684, 7105, 10949, 14210, 21898, 28420, 43796, 54745, 76643, 109490, 153286, 218980, 306572, 317521, 383215, 536501, 635042, 766430, 1073002, 1270084, 1532860, 1587605, 2146004, 2222647, 2682505, 3175210, 4445294, 5365010, 6350420, 8890588, 10730020, 11113235, 15558529, 22226470, 31117058, 44452940, 62234116, 77792645, 155585290, 311170580]

約数ペア:

[(1, 311170580), (2, 155585290), (4, 77792645), (5, 62234116), (7, 44452940), (10, 31117058), (14, 22226470), (20, 15558529), (28, 11113235), (29, 10730020), (35, 8890588), (49, 6350420), (58, 5365010), (70, 4445294), (98, 3175210), (116, 2682505), (140, 2222647), (145, 2146004), (196, 1587605), (203, 1532860), (245, 1270084), (290, 1073002), (406, 766430), (490, 635042), (580, 536501), (812, 383215), (980, 317521), (1015, 306572), (1421, 218980), (2030, 153286), (2842, 109490), (4060, 76643), (5684, 54745), (7105, 43796), (10949, 28420), (14210, 21898)]