306220356

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21107}}^1$

素因数の和:21161

約数の個数: 72

約数和(自身を含む): 860530944

約数和(自身を除く): 554310588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 21107, 42214, 63321, 84428, 126642, 189963, 253284, 274391, 379926, 548782, 654317, 759852, 823173, 1097564, 1308634, 1646346, 1962951, 2469519, 2617268, 3292692, 3925902, 4939038, 5888853, 7851804, 8506121, 9878076, 11777706, 17012242, 23555412, 25518363, 34024484, 51036726, 76555089, 102073452, 153110178, 306220356]

約数ペア:

[(1, 306220356), (2, 153110178), (3, 102073452), (4, 76555089), (6, 51036726), (9, 34024484), (12, 25518363), (13, 23555412), (18, 17012242), (26, 11777706), (31, 9878076), (36, 8506121), (39, 7851804), (52, 5888853), (62, 4939038), (78, 3925902), (93, 3292692), (117, 2617268), (124, 2469519), (156, 1962951), (186, 1646346), (234, 1308634), (279, 1097564), (372, 823173), (403, 759852), (468, 654317), (558, 548782), (806, 379926), (1116, 274391), (1209, 253284), (1612, 189963), (2418, 126642), (3627, 84428), (4836, 63321), (7254, 42214), (14508, 21107)]