251158040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{3917}}^1$

素因数の和:4164

約数の個数: 64

約数和(自身を含む): 648820800

約数和(自身を除く): 397662760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 229, 280, 458, 916, 1145, 1603, 1832, 2290, 3206, 3917, 4580, 6412, 7834, 8015, 9160, 12824, 15668, 16030, 19585, 27419, 31336, 32060, 39170, 54838, 64120, 78340, 109676, 137095, 156680, 219352, 274190, 548380, 896993, 1096760, 1793986, 3587972, 4484965, 6278951, 7175944, 8969930, 12557902, 17939860, 25115804, 31394755, 35879720, 50231608, 62789510, 125579020, 251158040]

約数ペア:

[(1, 251158040), (2, 125579020), (4, 62789510), (5, 50231608), (7, 35879720), (8, 31394755), (10, 25115804), (14, 17939860), (20, 12557902), (28, 8969930), (35, 7175944), (40, 6278951), (56, 4484965), (70, 3587972), (140, 1793986), (229, 1096760), (280, 896993), (458, 548380), (916, 274190), (1145, 219352), (1603, 156680), (1832, 137095), (2290, 109676), (3206, 78340), (3917, 64120), (4580, 54838), (6412, 39170), (7834, 32060), (8015, 31336), (9160, 27419), (12824, 19585), (15668, 16030)]