306511660

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:541

約数の個数: 120

約数和(自身を含む): 810318096

約数和(自身を除く): 503806436

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 343, 364, 455, 490, 491, 637, 686, 910, 980, 982, 1274, 1372, 1715, 1820, 1964, 2401, 2455, 2548, 3185, 3430, 3437, 4459, 4802, 4910, 6370, 6383, 6860, 6874, 8918, 9604, 9820, 12005, 12740, 12766, 13748, 17185, 17836, 22295, 24010, 24059, 25532, 31213, 31915, 34370, 44590, 44681, 48020, 48118, 62426, 63830, 68740, 89180, 89362, 96236, 120295, 124852, 127660, 156065, 168413, 178724, 223405, 240590, 312130, 312767, 336826, 446810, 481180, 624260, 625534, 673652, 842065, 893620, 1178891, 1251068, 1563835, 1684130, 2189369, 2357782, 3127670, 3368260, 4378738, 4715564, 5894455, 6255340, 8757476, 10946845, 11788910, 15325583, 21893690, 23577820, 30651166, 43787380, 61302332, 76627915, 153255830, 306511660]

約数ペア:

[(1, 306511660), (2, 153255830), (4, 76627915), (5, 61302332), (7, 43787380), (10, 30651166), (13, 23577820), (14, 21893690), (20, 15325583), (26, 11788910), (28, 10946845), (35, 8757476), (49, 6255340), (52, 5894455), (65, 4715564), (70, 4378738), (91, 3368260), (98, 3127670), (130, 2357782), (140, 2189369), (182, 1684130), (196, 1563835), (245, 1251068), (260, 1178891), (343, 893620), (364, 842065), (455, 673652), (490, 625534), (491, 624260), (637, 481180), (686, 446810), (910, 336826), (980, 312767), (982, 312130), (1274, 240590), (1372, 223405), (1715, 178724), (1820, 168413), (1964, 156065), (2401, 127660), (2455, 124852), (2548, 120295), (3185, 96236), (3430, 89362), (3437, 89180), (4459, 68740), (4802, 63830), (4910, 62426), (6370, 48118), (6383, 48020), (6860, 44681), (6874, 44590), (8918, 34370), (9604, 31915), (9820, 31213), (12005, 25532), (12740, 24059), (12766, 24010), (13748, 22295), (17185, 17836)]