208990512

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:835

約数の個数: 120

約数和(自身を含む): 618040800

約数和(自身を除く): 409050288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 89, 92, 138, 144, 178, 184, 207, 267, 276, 356, 368, 414, 534, 552, 709, 712, 801, 828, 1068, 1104, 1418, 1424, 1602, 1656, 2047, 2127, 2136, 2836, 3204, 3312, 4094, 4254, 4272, 5672, 6141, 6381, 6408, 8188, 8508, 11344, 12282, 12762, 12816, 16307, 16376, 17016, 18423, 24564, 25524, 32614, 32752, 34032, 36846, 48921, 49128, 51048, 63101, 65228, 73692, 97842, 98256, 102096, 126202, 130456, 146763, 147384, 189303, 195684, 252404, 260912, 293526, 294768, 378606, 391368, 504808, 567909, 587052, 757212, 782736, 1009616, 1135818, 1174104, 1451323, 1514424, 2271636, 2348208, 2902646, 3028848, 4353969, 4543272, 5805292, 8707938, 9086544, 11610584, 13061907, 17415876, 23221168, 26123814, 34831752, 52247628, 69663504, 104495256, 208990512]

約数ペア:

[(1, 208990512), (2, 104495256), (3, 69663504), (4, 52247628), (6, 34831752), (8, 26123814), (9, 23221168), (12, 17415876), (16, 13061907), (18, 11610584), (23, 9086544), (24, 8707938), (36, 5805292), (46, 4543272), (48, 4353969), (69, 3028848), (72, 2902646), (89, 2348208), (92, 2271636), (138, 1514424), (144, 1451323), (178, 1174104), (184, 1135818), (207, 1009616), (267, 782736), (276, 757212), (356, 587052), (368, 567909), (414, 504808), (534, 391368), (552, 378606), (709, 294768), (712, 293526), (801, 260912), (828, 252404), (1068, 195684), (1104, 189303), (1418, 147384), (1424, 146763), (1602, 130456), (1656, 126202), (2047, 102096), (2127, 98256), (2136, 97842), (2836, 73692), (3204, 65228), (3312, 63101), (4094, 51048), (4254, 49128), (4272, 48921), (5672, 36846), (6141, 34032), (6381, 32752), (6408, 32614), (8188, 25524), (8508, 24564), (11344, 18423), (12282, 17016), (12762, 16376), (12816, 16307)]