318245690

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 716083200

約数和(自身を除く): 397837510

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 41, 49, 62, 70, 73, 82, 98, 146, 155, 205, 217, 245, 287, 310, 343, 365, 410, 434, 490, 511, 574, 686, 730, 1022, 1085, 1271, 1435, 1519, 1715, 2009, 2170, 2263, 2542, 2555, 2870, 2993, 3038, 3430, 3577, 4018, 4526, 5110, 5986, 6355, 7154, 7595, 8897, 10045, 10633, 11315, 12710, 14063, 14965, 15190, 15841, 17794, 17885, 20090, 20951, 21266, 22630, 25039, 28126, 29930, 31682, 35770, 41902, 44485, 50078, 53165, 62279, 70315, 79205, 88970, 92783, 104755, 106330, 110887, 124558, 125195, 140630, 146657, 158410, 185566, 209510, 221774, 250390, 293314, 311395, 435953, 463915, 554435, 622790, 649481, 733285, 776209, 871906, 927830, 1026599, 1108870, 1298962, 1466570, 1552418, 2053198, 2179765, 3247405, 3881045, 4359530, 4546367, 5132995, 6494810, 7762090, 9092734, 10265990, 22731835, 31824569, 45463670, 63649138, 159122845, 318245690]

約数ペア:

[(1, 318245690), (2, 159122845), (5, 63649138), (7, 45463670), (10, 31824569), (14, 22731835), (31, 10265990), (35, 9092734), (41, 7762090), (49, 6494810), (62, 5132995), (70, 4546367), (73, 4359530), (82, 3881045), (98, 3247405), (146, 2179765), (155, 2053198), (205, 1552418), (217, 1466570), (245, 1298962), (287, 1108870), (310, 1026599), (343, 927830), (365, 871906), (410, 776209), (434, 733285), (490, 649481), (511, 622790), (574, 554435), (686, 463915), (730, 435953), (1022, 311395), (1085, 293314), (1271, 250390), (1435, 221774), (1519, 209510), (1715, 185566), (2009, 158410), (2170, 146657), (2263, 140630), (2542, 125195), (2555, 124558), (2870, 110887), (2993, 106330), (3038, 104755), (3430, 92783), (3577, 88970), (4018, 79205), (4526, 70315), (5110, 62279), (5986, 53165), (6355, 50078), (7154, 44485), (7595, 41902), (8897, 35770), (10045, 31682), (10633, 29930), (11315, 28126), (12710, 25039), (14063, 22630), (14965, 21266), (15190, 20951), (15841, 20090), (17794, 17885)]