221232390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 601344000

約数和(自身を除く): 380111610

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 79, 85, 95, 102, 114, 158, 170, 190, 237, 255, 285, 289, 323, 395, 474, 510, 570, 578, 646, 790, 867, 969, 1185, 1343, 1445, 1501, 1615, 1734, 1938, 2370, 2686, 2890, 3002, 3230, 4029, 4335, 4503, 4845, 4913, 5491, 6715, 7505, 8058, 8670, 9006, 9690, 9826, 10982, 13430, 14739, 15010, 16473, 20145, 22515, 22831, 24565, 25517, 27455, 29478, 32946, 40290, 45030, 45662, 49130, 51034, 54910, 68493, 73695, 76551, 82365, 93347, 114155, 127585, 136986, 147390, 153102, 164730, 186694, 228310, 255170, 280041, 342465, 382755, 388127, 433789, 466735, 560082, 684930, 765510, 776254, 867578, 933470, 1164381, 1301367, 1400205, 1940635, 2168945, 2328762, 2602734, 2800410, 3881270, 4337890, 5821905, 6506835, 7374413, 11643810, 13013670, 14748826, 22123239, 36872065, 44246478, 73744130, 110616195, 221232390]

約数ペア:

[(1, 221232390), (2, 110616195), (3, 73744130), (5, 44246478), (6, 36872065), (10, 22123239), (15, 14748826), (17, 13013670), (19, 11643810), (30, 7374413), (34, 6506835), (38, 5821905), (51, 4337890), (57, 3881270), (79, 2800410), (85, 2602734), (95, 2328762), (102, 2168945), (114, 1940635), (158, 1400205), (170, 1301367), (190, 1164381), (237, 933470), (255, 867578), (285, 776254), (289, 765510), (323, 684930), (395, 560082), (474, 466735), (510, 433789), (570, 388127), (578, 382755), (646, 342465), (790, 280041), (867, 255170), (969, 228310), (1185, 186694), (1343, 164730), (1445, 153102), (1501, 147390), (1615, 136986), (1734, 127585), (1938, 114155), (2370, 93347), (2686, 82365), (2890, 76551), (3002, 73695), (3230, 68493), (4029, 54910), (4335, 51034), (4503, 49130), (4845, 45662), (4913, 45030), (5491, 40290), (6715, 32946), (7505, 29478), (8058, 27455), (8670, 25517), (9006, 24565), (9690, 22831), (9826, 22515), (10982, 20145), (13430, 16473), (14739, 15010)]