312158600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 192

約数和(自身を含む): 843696000

約数和(自身を除く): 531537400

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 71, 76, 89, 95, 100, 104, 130, 142, 152, 178, 190, 200, 247, 260, 284, 325, 355, 356, 380, 445, 475, 494, 520, 568, 650, 710, 712, 760, 890, 923, 950, 988, 1157, 1235, 1300, 1349, 1420, 1691, 1775, 1780, 1846, 1900, 1976, 2225, 2314, 2470, 2600, 2698, 2840, 3382, 3550, 3560, 3692, 3800, 4450, 4615, 4628, 4940, 5396, 5785, 6175, 6319, 6745, 6764, 7100, 7384, 8455, 8900, 9230, 9256, 9880, 10792, 11570, 12350, 12638, 13490, 13528, 14200, 16910, 17537, 17800, 18460, 21983, 23075, 23140, 24700, 25276, 26980, 28925, 31595, 33725, 33820, 35074, 36920, 42275, 43966, 46150, 46280, 49400, 50552, 53960, 57850, 63190, 67450, 67640, 70148, 82147, 84550, 87685, 87932, 92300, 109915, 115700, 120061, 126380, 134900, 140296, 157975, 164294, 169100, 175370, 175864, 184600, 219830, 231400, 240122, 252760, 269800, 315950, 328588, 338200, 350740, 410735, 438425, 439660, 480244, 549575, 600305, 631900, 657176, 701480, 821470, 876850, 879320, 960488, 1099150, 1200610, 1263800, 1560793, 1642940, 1753700, 2053675, 2198300, 2401220, 3001525, 3121586, 3285880, 3507400, 4107350, 4396600, 4802440, 6003050, 6243172, 7803965, 8214700, 12006100, 12486344, 15607930, 16429400, 24012200, 31215860, 39019825, 62431720, 78039650, 156079300, 312158600]

約数ペア:

[(1, 312158600), (2, 156079300), (4, 78039650), (5, 62431720), (8, 39019825), (10, 31215860), (13, 24012200), (19, 16429400), (20, 15607930), (25, 12486344), (26, 12006100), (38, 8214700), (40, 7803965), (50, 6243172), (52, 6003050), (65, 4802440), (71, 4396600), (76, 4107350), (89, 3507400), (95, 3285880), (100, 3121586), (104, 3001525), (130, 2401220), (142, 2198300), (152, 2053675), (178, 1753700), (190, 1642940), (200, 1560793), (247, 1263800), (260, 1200610), (284, 1099150), (325, 960488), (355, 879320), (356, 876850), (380, 821470), (445, 701480), (475, 657176), (494, 631900), (520, 600305), (568, 549575), (650, 480244), (710, 439660), (712, 438425), (760, 410735), (890, 350740), (923, 338200), (950, 328588), (988, 315950), (1157, 269800), (1235, 252760), (1300, 240122), (1349, 231400), (1420, 219830), (1691, 184600), (1775, 175864), (1780, 175370), (1846, 169100), (1900, 164294), (1976, 157975), (2225, 140296), (2314, 134900), (2470, 126380), (2600, 120061), (2698, 115700), (2840, 109915), (3382, 92300), (3550, 87932), (3560, 87685), (3692, 84550), (3800, 82147), (4450, 70148), (4615, 67640), (4628, 67450), (4940, 63190), (5396, 57850), (5785, 53960), (6175, 50552), (6319, 49400), (6745, 46280), (6764, 46150), (7100, 43966), (7384, 42275), (8455, 36920), (8900, 35074), (9230, 33820), (9256, 33725), (9880, 31595), (10792, 28925), (11570, 26980), (12350, 25276), (12638, 24700), (13490, 23140), (13528, 23075), (14200, 21983), (16910, 18460), (17537, 17800)]