850188640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:621

約数の個数: 192

約数和(自身を含む): 2424619008

約数和(自身を除く): 1574430368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 47, 56, 62, 70, 80, 94, 112, 124, 140, 155, 160, 188, 217, 224, 235, 248, 280, 310, 329, 376, 434, 470, 496, 521, 560, 620, 658, 752, 868, 940, 992, 1042, 1085, 1120, 1240, 1316, 1457, 1504, 1645, 1736, 1880, 2084, 2170, 2480, 2605, 2632, 2914, 3290, 3472, 3647, 3760, 4168, 4340, 4960, 5210, 5264, 5828, 6580, 6944, 7285, 7294, 7520, 8336, 8680, 10199, 10420, 10528, 11656, 13160, 14570, 14588, 16151, 16672, 17360, 18235, 20398, 20840, 23312, 24487, 26320, 29140, 29176, 32302, 34720, 36470, 40796, 41680, 46624, 48974, 50995, 52640, 58280, 58352, 64604, 72940, 80755, 81592, 83360, 97948, 101990, 113057, 116560, 116704, 122435, 129208, 145880, 161510, 163184, 171409, 195896, 203980, 226114, 233120, 244870, 258416, 291760, 323020, 326368, 342818, 391792, 407960, 452228, 489740, 516832, 565285, 583520, 646040, 685636, 759097, 783584, 815920, 857045, 904456, 979480, 1130570, 1292080, 1371272, 1518194, 1631840, 1714090, 1808912, 1958960, 2261140, 2584160, 2742544, 3036388, 3428180, 3617824, 3795485, 3917920, 4522280, 5313679, 5485088, 6072776, 6856360, 7590970, 9044560, 10627358, 12145552, 13712720, 15181940, 18089120, 21254716, 24291104, 26568395, 27425440, 30363880, 42509432, 53136790, 60727760, 85018864, 106273580, 121455520, 170037728, 212547160, 425094320, 850188640]

約数ペア:

[(1, 850188640), (2, 425094320), (4, 212547160), (5, 170037728), (7, 121455520), (8, 106273580), (10, 85018864), (14, 60727760), (16, 53136790), (20, 42509432), (28, 30363880), (31, 27425440), (32, 26568395), (35, 24291104), (40, 21254716), (47, 18089120), (56, 15181940), (62, 13712720), (70, 12145552), (80, 10627358), (94, 9044560), (112, 7590970), (124, 6856360), (140, 6072776), (155, 5485088), (160, 5313679), (188, 4522280), (217, 3917920), (224, 3795485), (235, 3617824), (248, 3428180), (280, 3036388), (310, 2742544), (329, 2584160), (376, 2261140), (434, 1958960), (470, 1808912), (496, 1714090), (521, 1631840), (560, 1518194), (620, 1371272), (658, 1292080), (752, 1130570), (868, 979480), (940, 904456), (992, 857045), (1042, 815920), (1085, 783584), (1120, 759097), (1240, 685636), (1316, 646040), (1457, 583520), (1504, 565285), (1645, 516832), (1736, 489740), (1880, 452228), (2084, 407960), (2170, 391792), (2480, 342818), (2605, 326368), (2632, 323020), (2914, 291760), (3290, 258416), (3472, 244870), (3647, 233120), (3760, 226114), (4168, 203980), (4340, 195896), (4960, 171409), (5210, 163184), (5264, 161510), (5828, 145880), (6580, 129208), (6944, 122435), (7285, 116704), (7294, 116560), (7520, 113057), (8336, 101990), (8680, 97948), (10199, 83360), (10420, 81592), (10528, 80755), (11656, 72940), (13160, 64604), (14570, 58352), (14588, 58280), (16151, 52640), (16672, 50995), (17360, 48974), (18235, 46624), (20398, 41680), (20840, 40796), (23312, 36470), (24487, 34720), (26320, 32302), (29140, 29176)]