257655276

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:748

約数の個数: 96

約数和(自身を含む): 707168000

約数和(自身を除く): 449512724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 307, 342, 409, 513, 614, 684, 818, 921, 1026, 1227, 1228, 1636, 1842, 2052, 2454, 2763, 3681, 3684, 4908, 5526, 5833, 7362, 7771, 8289, 11043, 11052, 11666, 14724, 15542, 16578, 17499, 22086, 23313, 23332, 31084, 33156, 34998, 44172, 46626, 52497, 69939, 69996, 93252, 104994, 125563, 139878, 157491, 209817, 209988, 251126, 279756, 314982, 376689, 419634, 502252, 629964, 753378, 839268, 1130067, 1506756, 2260134, 2385697, 3390201, 4520268, 4771394, 6780402, 7157091, 9542788, 13560804, 14314182, 21471273, 28628364, 42942546, 64413819, 85885092, 128827638, 257655276]

約数ペア:

[(1, 257655276), (2, 128827638), (3, 85885092), (4, 64413819), (6, 42942546), (9, 28628364), (12, 21471273), (18, 14314182), (19, 13560804), (27, 9542788), (36, 7157091), (38, 6780402), (54, 4771394), (57, 4520268), (76, 3390201), (108, 2385697), (114, 2260134), (171, 1506756), (228, 1130067), (307, 839268), (342, 753378), (409, 629964), (513, 502252), (614, 419634), (684, 376689), (818, 314982), (921, 279756), (1026, 251126), (1227, 209988), (1228, 209817), (1636, 157491), (1842, 139878), (2052, 125563), (2454, 104994), (2763, 93252), (3681, 69996), (3684, 69939), (4908, 52497), (5526, 46626), (5833, 44172), (7362, 34998), (7771, 33156), (8289, 31084), (11043, 23332), (11052, 23313), (11666, 22086), (14724, 17499), (15542, 16578)]