9968987525

素因数分解:

$5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1879}}^1$

素因数の和:2035

約数の個数: 72

約数和(自身を含む): 14829229440

約数和(自身を除く): 4860241915

約数列:

[1, 5, 7, 25, 35, 49, 61, 71, 175, 245, 305, 355, 427, 497, 1225, 1525, 1775, 1879, 2135, 2485, 2989, 3479, 4331, 9395, 10675, 12425, 13153, 14945, 17395, 21655, 30317, 46975, 65765, 74725, 86975, 92071, 108275, 114619, 133409, 151585, 212219, 328825, 460355, 573095, 667045, 757925, 802333, 933863, 1061095, 2301775, 2865475, 3335225, 4011665, 4669315, 5305475, 5616331, 6537041, 8137949, 20058325, 23346575, 28081655, 32685205, 40689745, 56965643, 140408275, 163426025, 203448725, 284828215, 398759501, 1424141075, 1993797505, 9968987525]

約数ペア:

[(1, 9968987525), (5, 1993797505), (7, 1424141075), (25, 398759501), (35, 284828215), (49, 203448725), (61, 163426025), (71, 140408275), (175, 56965643), (245, 40689745), (305, 32685205), (355, 28081655), (427, 23346575), (497, 20058325), (1225, 8137949), (1525, 6537041), (1775, 5616331), (1879, 5305475), (2135, 4669315), (2485, 4011665), (2989, 3335225), (3479, 2865475), (4331, 2301775), (9395, 1061095), (10675, 933863), (12425, 802333), (13153, 757925), (14945, 667045), (17395, 573095), (21655, 460355), (30317, 328825), (46975, 212219), (65765, 151585), (74725, 133409), (86975, 114619), (92071, 108275)]