218884330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^3\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 472573440

約数和(自身を除く): 253689110

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 257, 322, 514, 529, 805, 1058, 1285, 1610, 1799, 2570, 2645, 3598, 3703, 5290, 5911, 7406, 8995, 11822, 12167, 17990, 18515, 24334, 29555, 37030, 41377, 59110, 60835, 82754, 85169, 121670, 135953, 170338, 206885, 271906, 413770, 425845, 679765, 851690, 951671, 1359530, 1903342, 3126919, 4758355, 6253838, 9516710, 15634595, 21888433, 31269190, 43776866, 109442165, 218884330]

約数ペア:

[(1, 218884330), (2, 109442165), (5, 43776866), (7, 31269190), (10, 21888433), (14, 15634595), (23, 9516710), (35, 6253838), (46, 4758355), (70, 3126919), (115, 1903342), (161, 1359530), (230, 951671), (257, 851690), (322, 679765), (514, 425845), (529, 413770), (805, 271906), (1058, 206885), (1285, 170338), (1610, 135953), (1799, 121670), (2570, 85169), (2645, 82754), (3598, 60835), (3703, 59110), (5290, 41377), (5911, 37030), (7406, 29555), (8995, 24334), (11822, 18515), (12167, 17990)]