11820180110

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1\times {\mathrm{311}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 21835008000

約数和(自身を除く): 10014827890

約数列:

[1, 2, 5, 10, 71, 142, 199, 269, 311, 355, 398, 538, 622, 710, 995, 1345, 1555, 1990, 2690, 3110, 14129, 19099, 22081, 28258, 38198, 44162, 53531, 61889, 70645, 83659, 95495, 107062, 110405, 123778, 141290, 167318, 190990, 220810, 267655, 309445, 418295, 535310, 618890, 836590, 3800701, 4394119, 5939789, 7601402, 8788238, 11879578, 16648141, 19003505, 21970595, 29698945, 33296282, 38007010, 43941190, 59397890, 83240705, 166481410, 1182018011, 2364036022, 5910090055, 11820180110]

約数ペア:

[(1, 11820180110), (2, 5910090055), (5, 2364036022), (10, 1182018011), (71, 166481410), (142, 83240705), (199, 59397890), (269, 43941190), (311, 38007010), (355, 33296282), (398, 29698945), (538, 21970595), (622, 19003505), (710, 16648141), (995, 11879578), (1345, 8788238), (1555, 7601402), (1990, 5939789), (2690, 4394119), (3110, 3800701), (14129, 836590), (19099, 618890), (22081, 535310), (28258, 418295), (38198, 309445), (44162, 267655), (53531, 220810), (61889, 190990), (70645, 167318), (83659, 141290), (95495, 123778), (107062, 110405)]