311930060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 735705600

約数和(自身を除く): 423775540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 229, 260, 310, 338, 403, 458, 620, 676, 806, 845, 916, 1145, 1612, 1690, 2015, 2197, 2290, 2977, 3380, 4030, 4394, 4580, 5239, 5954, 7099, 8060, 8788, 10478, 10985, 11908, 14198, 14885, 20956, 21970, 26195, 28396, 29770, 35495, 38701, 43940, 52390, 59540, 68107, 70990, 77402, 92287, 104780, 136214, 141980, 154804, 184574, 193505, 272428, 340535, 369148, 387010, 461435, 503113, 681070, 774020, 922870, 1006226, 1199731, 1362140, 1845740, 2012452, 2399462, 2515565, 4798924, 5031130, 5998655, 10062260, 11997310, 15596503, 23994620, 31193006, 62386012, 77982515, 155965030, 311930060]

約数ペア:

[(1, 311930060), (2, 155965030), (4, 77982515), (5, 62386012), (10, 31193006), (13, 23994620), (20, 15596503), (26, 11997310), (31, 10062260), (52, 5998655), (62, 5031130), (65, 4798924), (124, 2515565), (130, 2399462), (155, 2012452), (169, 1845740), (229, 1362140), (260, 1199731), (310, 1006226), (338, 922870), (403, 774020), (458, 681070), (620, 503113), (676, 461435), (806, 387010), (845, 369148), (916, 340535), (1145, 272428), (1612, 193505), (1690, 184574), (2015, 154804), (2197, 141980), (2290, 136214), (2977, 104780), (3380, 92287), (4030, 77402), (4394, 70990), (4580, 68107), (5239, 59540), (5954, 52390), (7099, 43940), (8060, 38701), (8788, 35495), (10478, 29770), (10985, 28396), (11908, 26195), (14198, 21970), (14885, 20956)]