209591470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:418

約数の個数: 96

約数和(自身を含む): 461531520

約数和(自身を除く): 251940050

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 34, 38, 55, 85, 95, 110, 170, 187, 190, 209, 289, 323, 347, 374, 418, 578, 646, 694, 935, 1045, 1445, 1615, 1735, 1870, 2090, 2890, 3179, 3230, 3470, 3553, 3817, 5491, 5899, 6358, 6593, 7106, 7634, 10982, 11798, 13186, 15895, 17765, 19085, 27455, 29495, 31790, 32965, 35530, 38170, 54910, 58990, 60401, 64889, 65930, 72523, 100283, 112081, 120802, 129778, 145046, 200566, 224162, 302005, 324445, 362615, 501415, 560405, 604010, 648890, 725230, 1002830, 1103113, 1120810, 1232891, 1905377, 2206226, 2465782, 3810754, 5515565, 6164455, 9526885, 11031130, 12328910, 19053770, 20959147, 41918294, 104795735, 209591470]

約数ペア:

[(1, 209591470), (2, 104795735), (5, 41918294), (10, 20959147), (11, 19053770), (17, 12328910), (19, 11031130), (22, 9526885), (34, 6164455), (38, 5515565), (55, 3810754), (85, 2465782), (95, 2206226), (110, 1905377), (170, 1232891), (187, 1120810), (190, 1103113), (209, 1002830), (289, 725230), (323, 648890), (347, 604010), (374, 560405), (418, 501415), (578, 362615), (646, 324445), (694, 302005), (935, 224162), (1045, 200566), (1445, 145046), (1615, 129778), (1735, 120802), (1870, 112081), (2090, 100283), (2890, 72523), (3179, 65930), (3230, 64889), (3470, 60401), (3553, 58990), (3817, 54910), (5491, 38170), (5899, 35530), (6358, 32965), (6593, 31790), (7106, 29495), (7634, 27455), (10982, 19085), (11798, 17765), (13186, 15895)]