255910928

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 160

約数和(自身を含む): 662457600

約数和(自身を除く): 406546672

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 49, 52, 56, 68, 91, 98, 104, 112, 119, 136, 182, 196, 208, 211, 221, 238, 272, 343, 364, 392, 422, 442, 476, 637, 686, 728, 784, 833, 844, 884, 952, 1274, 1372, 1456, 1477, 1547, 1666, 1688, 1768, 1904, 2548, 2743, 2744, 2954, 3094, 3332, 3376, 3536, 3587, 4459, 5096, 5486, 5488, 5831, 5908, 6188, 6664, 7174, 8918, 10192, 10339, 10829, 10972, 11662, 11816, 12376, 13328, 14348, 17836, 19201, 20678, 21658, 21944, 23324, 23632, 24752, 25109, 28696, 35672, 38402, 41356, 43316, 43888, 46631, 46648, 50218, 57392, 71344, 72373, 75803, 76804, 82712, 86632, 93262, 93296, 100436, 134407, 144746, 151606, 153608, 165424, 173264, 175763, 186524, 200872, 268814, 289492, 303212, 307216, 326417, 351526, 373048, 401744, 537628, 578984, 606424, 652834, 703052, 746096, 940849, 1075256, 1157968, 1212848, 1230341, 1305668, 1406104, 1881698, 2150512, 2284919, 2460682, 2611336, 2812208, 3763396, 4569838, 4921364, 5222672, 7526792, 9139676, 9842728, 15053584, 15994433, 18279352, 19685456, 31988866, 36558704, 63977732, 127955464, 255910928]

約数ペア:

[(1, 255910928), (2, 127955464), (4, 63977732), (7, 36558704), (8, 31988866), (13, 19685456), (14, 18279352), (16, 15994433), (17, 15053584), (26, 9842728), (28, 9139676), (34, 7526792), (49, 5222672), (52, 4921364), (56, 4569838), (68, 3763396), (91, 2812208), (98, 2611336), (104, 2460682), (112, 2284919), (119, 2150512), (136, 1881698), (182, 1406104), (196, 1305668), (208, 1230341), (211, 1212848), (221, 1157968), (238, 1075256), (272, 940849), (343, 746096), (364, 703052), (392, 652834), (422, 606424), (442, 578984), (476, 537628), (637, 401744), (686, 373048), (728, 351526), (784, 326417), (833, 307216), (844, 303212), (884, 289492), (952, 268814), (1274, 200872), (1372, 186524), (1456, 175763), (1477, 173264), (1547, 165424), (1666, 153608), (1688, 151606), (1768, 144746), (1904, 134407), (2548, 100436), (2743, 93296), (2744, 93262), (2954, 86632), (3094, 82712), (3332, 76804), (3376, 75803), (3536, 72373), (3587, 71344), (4459, 57392), (5096, 50218), (5486, 46648), (5488, 46631), (5831, 43888), (5908, 43316), (6188, 41356), (6664, 38402), (7174, 35672), (8918, 28696), (10192, 25109), (10339, 24752), (10829, 23632), (10972, 23324), (11662, 21944), (11816, 21658), (12376, 20678), (13328, 19201), (14348, 17836)]