256207932

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 722641920

約数和(自身を除く): 466433988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 43, 57, 62, 76, 86, 93, 114, 124, 129, 171, 172, 186, 228, 258, 279, 281, 342, 372, 387, 516, 558, 562, 589, 684, 774, 817, 843, 1116, 1124, 1178, 1333, 1548, 1634, 1686, 1767, 2356, 2451, 2529, 2666, 3268, 3372, 3534, 3999, 4902, 5058, 5301, 5332, 5339, 7068, 7353, 7998, 8711, 9804, 10116, 10602, 10678, 11997, 12083, 14706, 15996, 16017, 17422, 21204, 21356, 23994, 24166, 25327, 26133, 29412, 32034, 34844, 36249, 47988, 48051, 48332, 50654, 52266, 64068, 72498, 75981, 78399, 96102, 101308, 104532, 108747, 144996, 151962, 156798, 165509, 192204, 217494, 227943, 229577, 303924, 313596, 331018, 374573, 434988, 455886, 459154, 496527, 662036, 688731, 749146, 911772, 918308, 993054, 1123719, 1377462, 1489581, 1498292, 1986108, 2066193, 2247438, 2754924, 2979162, 3371157, 4132386, 4494876, 5958324, 6742314, 7116887, 8264772, 13484628, 14233774, 21350661, 28467548, 42701322, 64051983, 85402644, 128103966, 256207932]

約数ペア:

[(1, 256207932), (2, 128103966), (3, 85402644), (4, 64051983), (6, 42701322), (9, 28467548), (12, 21350661), (18, 14233774), (19, 13484628), (31, 8264772), (36, 7116887), (38, 6742314), (43, 5958324), (57, 4494876), (62, 4132386), (76, 3371157), (86, 2979162), (93, 2754924), (114, 2247438), (124, 2066193), (129, 1986108), (171, 1498292), (172, 1489581), (186, 1377462), (228, 1123719), (258, 993054), (279, 918308), (281, 911772), (342, 749146), (372, 688731), (387, 662036), (516, 496527), (558, 459154), (562, 455886), (589, 434988), (684, 374573), (774, 331018), (817, 313596), (843, 303924), (1116, 229577), (1124, 227943), (1178, 217494), (1333, 192204), (1548, 165509), (1634, 156798), (1686, 151962), (1767, 144996), (2356, 108747), (2451, 104532), (2529, 101308), (2666, 96102), (3268, 78399), (3372, 75981), (3534, 72498), (3999, 64068), (4902, 52266), (5058, 50654), (5301, 48332), (5332, 48051), (5339, 47988), (7068, 36249), (7353, 34844), (7998, 32034), (8711, 29412), (9804, 26133), (10116, 25327), (10602, 24166), (10678, 23994), (11997, 21356), (12083, 21204), (14706, 17422), (15996, 16017)]