85854184420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{21613}}^1$

素因数の和:21845

約数の個数: 96

約数和(自身を含む): 191724825600

約数和(自身を除く): 105870641180

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 149, 155, 172, 215, 298, 310, 430, 596, 620, 745, 860, 1333, 1490, 2666, 2980, 4619, 5332, 6407, 6665, 9238, 12814, 13330, 18476, 21613, 23095, 25628, 26660, 32035, 43226, 46190, 64070, 86452, 92380, 108065, 128140, 198617, 216130, 397234, 432260, 670003, 794468, 929359, 993085, 1340006, 1858718, 1986170, 2680012, 3220337, 3350015, 3717436, 3972340, 4646795, 6440674, 6700030, 9293590, 12881348, 13400060, 16101685, 18587180, 28810129, 32203370, 57620258, 64406740, 99830447, 115240516, 138474491, 144050645, 199660894, 276948982, 288101290, 399321788, 499152235, 553897964, 576202580, 692372455, 998304470, 1384744910, 1996608940, 2769489820, 4292709221, 8585418442, 17170836884, 21463546105, 42927092210, 85854184420]

約数ペア:

[(1, 85854184420), (2, 42927092210), (4, 21463546105), (5, 17170836884), (10, 8585418442), (20, 4292709221), (31, 2769489820), (43, 1996608940), (62, 1384744910), (86, 998304470), (124, 692372455), (149, 576202580), (155, 553897964), (172, 499152235), (215, 399321788), (298, 288101290), (310, 276948982), (430, 199660894), (596, 144050645), (620, 138474491), (745, 115240516), (860, 99830447), (1333, 64406740), (1490, 57620258), (2666, 32203370), (2980, 28810129), (4619, 18587180), (5332, 16101685), (6407, 13400060), (6665, 12881348), (9238, 9293590), (12814, 6700030), (13330, 6440674), (18476, 4646795), (21613, 3972340), (23095, 3717436), (25628, 3350015), (26660, 3220337), (32035, 2680012), (43226, 1986170), (46190, 1858718), (64070, 1340006), (86452, 993085), (92380, 929359), (108065, 794468), (128140, 670003), (198617, 432260), (216130, 397234)]