448687180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{1129}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 975018240

約数和(自身を除く): 526331060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 641, 1129, 1282, 2258, 2564, 3205, 4516, 5645, 6410, 11290, 12820, 19871, 22580, 34999, 39742, 69998, 79484, 99355, 139996, 174995, 198710, 349990, 397420, 699980, 723689, 1447378, 2894756, 3618445, 7236890, 14473780, 22434359, 44868718, 89737436, 112171795, 224343590, 448687180]

約数ペア:

[(1, 448687180), (2, 224343590), (4, 112171795), (5, 89737436), (10, 44868718), (20, 22434359), (31, 14473780), (62, 7236890), (124, 3618445), (155, 2894756), (310, 1447378), (620, 723689), (641, 699980), (1129, 397420), (1282, 349990), (2258, 198710), (2564, 174995), (3205, 139996), (4516, 99355), (5645, 79484), (6410, 69998), (11290, 39742), (12820, 34999), (19871, 22580)]