28757400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 104993280

約数和(自身を除く): 76235880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 41, 42, 50, 56, 60, 70, 75, 82, 84, 100, 105, 120, 123, 140, 150, 164, 167, 168, 175, 200, 205, 210, 246, 280, 287, 300, 328, 334, 350, 410, 420, 492, 501, 525, 574, 600, 615, 668, 700, 820, 835, 840, 861, 984, 1002, 1025, 1050, 1148, 1169, 1230, 1336, 1400, 1435, 1640, 1670, 1722, 2004, 2050, 2100, 2296, 2338, 2460, 2505, 2870, 3075, 3340, 3444, 3507, 4008, 4100, 4175, 4200, 4305, 4676, 4920, 5010, 5740, 5845, 6150, 6680, 6847, 6888, 7014, 7175, 8200, 8350, 8610, 9352, 10020, 11480, 11690, 12300, 12525, 13694, 14028, 14350, 16700, 17220, 17535, 20040, 20541, 21525, 23380, 24600, 25050, 27388, 28056, 28700, 29225, 33400, 34235, 34440, 35070, 41082, 43050, 46760, 47929, 50100, 54776, 57400, 58450, 68470, 70140, 82164, 86100, 87675, 95858, 100200, 102705, 116900, 136940, 140280, 143787, 164328, 171175, 172200, 175350, 191716, 205410, 233800, 239645, 273880, 287574, 342350, 350700, 383432, 410820, 479290, 513525, 575148, 684700, 701400, 718935, 821640, 958580, 1027050, 1150296, 1198225, 1369400, 1437870, 1917160, 2054100, 2396450, 2875740, 3594675, 4108200, 4792900, 5751480, 7189350, 9585800, 14378700, 28757400]

約数ペア:

[(1, 28757400), (2, 14378700), (3, 9585800), (4, 7189350), (5, 5751480), (6, 4792900), (7, 4108200), (8, 3594675), (10, 2875740), (12, 2396450), (14, 2054100), (15, 1917160), (20, 1437870), (21, 1369400), (24, 1198225), (25, 1150296), (28, 1027050), (30, 958580), (35, 821640), (40, 718935), (41, 701400), (42, 684700), (50, 575148), (56, 513525), (60, 479290), (70, 410820), (75, 383432), (82, 350700), (84, 342350), (100, 287574), (105, 273880), (120, 239645), (123, 233800), (140, 205410), (150, 191716), (164, 175350), (167, 172200), (168, 171175), (175, 164328), (200, 143787), (205, 140280), (210, 136940), (246, 116900), (280, 102705), (287, 100200), (300, 95858), (328, 87675), (334, 86100), (350, 82164), (410, 70140), (420, 68470), (492, 58450), (501, 57400), (525, 54776), (574, 50100), (600, 47929), (615, 46760), (668, 43050), (700, 41082), (820, 35070), (835, 34440), (840, 34235), (861, 33400), (984, 29225), (1002, 28700), (1025, 28056), (1050, 27388), (1148, 25050), (1169, 24600), (1230, 23380), (1336, 21525), (1400, 20541), (1435, 20040), (1640, 17535), (1670, 17220), (1722, 16700), (2004, 14350), (2050, 14028), (2100, 13694), (2296, 12525), (2338, 12300), (2460, 11690), (2505, 11480), (2870, 10020), (3075, 9352), (3340, 8610), (3444, 8350), (3507, 8200), (4008, 7175), (4100, 7014), (4175, 6888), (4200, 6847), (4305, 6680), (4676, 6150), (4920, 5845), (5010, 5740)]