209208870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1097}}^1$

素因数の和:1286

約数の個数: 96

約数和(自身を含む): 589915872

約数和(自身を除く): 380707002

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 163, 195, 234, 326, 390, 489, 585, 815, 978, 1097, 1170, 1467, 1630, 2119, 2194, 2445, 2934, 3291, 4238, 4890, 5485, 6357, 6582, 7335, 9873, 10595, 10970, 12714, 14261, 14670, 16455, 19071, 19746, 21190, 28522, 31785, 32910, 38142, 42783, 49365, 63570, 71305, 85566, 95355, 98730, 128349, 142610, 178811, 190710, 213915, 256698, 357622, 427830, 536433, 641745, 894055, 1072866, 1283490, 1609299, 1788110, 2324543, 2682165, 3218598, 4649086, 5364330, 6973629, 8046495, 11622715, 13947258, 16092990, 20920887, 23245430, 34868145, 41841774, 69736290, 104604435, 209208870]

約数ペア:

[(1, 209208870), (2, 104604435), (3, 69736290), (5, 41841774), (6, 34868145), (9, 23245430), (10, 20920887), (13, 16092990), (15, 13947258), (18, 11622715), (26, 8046495), (30, 6973629), (39, 5364330), (45, 4649086), (65, 3218598), (78, 2682165), (90, 2324543), (117, 1788110), (130, 1609299), (163, 1283490), (195, 1072866), (234, 894055), (326, 641745), (390, 536433), (489, 427830), (585, 357622), (815, 256698), (978, 213915), (1097, 190710), (1170, 178811), (1467, 142610), (1630, 128349), (2119, 98730), (2194, 95355), (2445, 85566), (2934, 71305), (3291, 63570), (4238, 49365), (4890, 42783), (5485, 38142), (6357, 32910), (6582, 31785), (7335, 28522), (9873, 21190), (10595, 19746), (10970, 19071), (12714, 16455), (14261, 14670)]