349648640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1358

約数の個数: 144

約数和(自身を含む): 962478720

約数和(自身を除く): 612830080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 256, 304, 320, 352, 380, 418, 440, 608, 640, 704, 760, 836, 880, 1045, 1216, 1280, 1307, 1408, 1520, 1672, 1760, 2090, 2432, 2614, 2816, 3040, 3344, 3520, 4180, 4864, 5228, 6080, 6535, 6688, 7040, 8360, 10456, 12160, 13070, 13376, 14080, 14377, 16720, 20912, 24320, 24833, 26140, 26752, 28754, 33440, 41824, 49666, 52280, 53504, 57508, 66880, 71885, 83648, 99332, 104560, 115016, 124165, 133760, 143770, 167296, 198664, 209120, 230032, 248330, 267520, 273163, 287540, 334592, 397328, 418240, 460064, 496660, 546326, 575080, 794656, 836480, 920128, 993320, 1092652, 1150160, 1365815, 1589312, 1672960, 1840256, 1986640, 2185304, 2300320, 2731630, 3178624, 3680512, 3973280, 4370608, 4600640, 5463260, 6357248, 7946560, 8741216, 9201280, 10926520, 15893120, 17482432, 18402560, 21853040, 31786240, 34964864, 43706080, 69929728, 87412160, 174824320, 349648640]

約数ペア:

[(1, 349648640), (2, 174824320), (4, 87412160), (5, 69929728), (8, 43706080), (10, 34964864), (11, 31786240), (16, 21853040), (19, 18402560), (20, 17482432), (22, 15893120), (32, 10926520), (38, 9201280), (40, 8741216), (44, 7946560), (55, 6357248), (64, 5463260), (76, 4600640), (80, 4370608), (88, 3973280), (95, 3680512), (110, 3178624), (128, 2731630), (152, 2300320), (160, 2185304), (176, 1986640), (190, 1840256), (209, 1672960), (220, 1589312), (256, 1365815), (304, 1150160), (320, 1092652), (352, 993320), (380, 920128), (418, 836480), (440, 794656), (608, 575080), (640, 546326), (704, 496660), (760, 460064), (836, 418240), (880, 397328), (1045, 334592), (1216, 287540), (1280, 273163), (1307, 267520), (1408, 248330), (1520, 230032), (1672, 209120), (1760, 198664), (2090, 167296), (2432, 143770), (2614, 133760), (2816, 124165), (3040, 115016), (3344, 104560), (3520, 99332), (4180, 83648), (4864, 71885), (5228, 66880), (6080, 57508), (6535, 53504), (6688, 52280), (7040, 49666), (8360, 41824), (10456, 33440), (12160, 28754), (13070, 26752), (13376, 26140), (14080, 24833), (14377, 24320), (16720, 20912)]