251678484

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{199}}^1$

素因数の和:314

約数の個数: 108

約数和(自身を含む): 689052000

約数和(自身を除く): 437373516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 43, 57, 76, 86, 114, 129, 171, 172, 199, 228, 258, 342, 387, 398, 516, 597, 684, 774, 796, 817, 1194, 1548, 1634, 1791, 1849, 2388, 2451, 3268, 3582, 3698, 3781, 4902, 5547, 7164, 7353, 7396, 7562, 8557, 9804, 11094, 11343, 14706, 15124, 16641, 17114, 22188, 22686, 25671, 29412, 33282, 34029, 34228, 35131, 45372, 51342, 66564, 68058, 70262, 77013, 102684, 105393, 136116, 140524, 154026, 162583, 210786, 308052, 316179, 325166, 367951, 421572, 487749, 632358, 650332, 735902, 975498, 1103853, 1264716, 1463247, 1471804, 1950996, 2207706, 2926494, 3311559, 4415412, 5852988, 6623118, 6991069, 13246236, 13982138, 20973207, 27964276, 41946414, 62919621, 83892828, 125839242, 251678484]

約数ペア:

[(1, 251678484), (2, 125839242), (3, 83892828), (4, 62919621), (6, 41946414), (9, 27964276), (12, 20973207), (18, 13982138), (19, 13246236), (36, 6991069), (38, 6623118), (43, 5852988), (57, 4415412), (76, 3311559), (86, 2926494), (114, 2207706), (129, 1950996), (171, 1471804), (172, 1463247), (199, 1264716), (228, 1103853), (258, 975498), (342, 735902), (387, 650332), (398, 632358), (516, 487749), (597, 421572), (684, 367951), (774, 325166), (796, 316179), (817, 308052), (1194, 210786), (1548, 162583), (1634, 154026), (1791, 140524), (1849, 136116), (2388, 105393), (2451, 102684), (3268, 77013), (3582, 70262), (3698, 68058), (3781, 66564), (4902, 51342), (5547, 45372), (7164, 35131), (7353, 34228), (7396, 34029), (7562, 33282), (8557, 29412), (9804, 25671), (11094, 22686), (11343, 22188), (14706, 17114), (15124, 16641)]