2187740750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:619

約数の個数: 128

約数和(自身を含む): 4717440000

約数和(自身を除く): 2529699250

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 71, 95, 125, 130, 142, 190, 247, 250, 325, 355, 475, 494, 499, 650, 710, 923, 950, 998, 1235, 1349, 1625, 1775, 1846, 2375, 2470, 2495, 2698, 3250, 3550, 4615, 4750, 4990, 6175, 6487, 6745, 8875, 9230, 9481, 12350, 12475, 12974, 13490, 17537, 17750, 18962, 23075, 24950, 30875, 32435, 33725, 35074, 35429, 46150, 47405, 61750, 62375, 64870, 67450, 70858, 87685, 94810, 115375, 123253, 124750, 162175, 168625, 175370, 177145, 230750, 237025, 246506, 324350, 337250, 354290, 438425, 460577, 474050, 616265, 673151, 810875, 876850, 885725, 921154, 1185125, 1232530, 1346302, 1621750, 1771450, 2192125, 2302885, 2370250, 3081325, 3365755, 4384250, 4428625, 4605770, 6162650, 6731510, 8750963, 8857250, 11514425, 15406625, 16828775, 17501926, 23028850, 30813250, 33657550, 43754815, 57572125, 84143875, 87509630, 115144250, 168287750, 218774075, 437548150, 1093870375, 2187740750]

約数ペア:

[(1, 2187740750), (2, 1093870375), (5, 437548150), (10, 218774075), (13, 168287750), (19, 115144250), (25, 87509630), (26, 84143875), (38, 57572125), (50, 43754815), (65, 33657550), (71, 30813250), (95, 23028850), (125, 17501926), (130, 16828775), (142, 15406625), (190, 11514425), (247, 8857250), (250, 8750963), (325, 6731510), (355, 6162650), (475, 4605770), (494, 4428625), (499, 4384250), (650, 3365755), (710, 3081325), (923, 2370250), (950, 2302885), (998, 2192125), (1235, 1771450), (1349, 1621750), (1625, 1346302), (1775, 1232530), (1846, 1185125), (2375, 921154), (2470, 885725), (2495, 876850), (2698, 810875), (3250, 673151), (3550, 616265), (4615, 474050), (4750, 460577), (4990, 438425), (6175, 354290), (6487, 337250), (6745, 324350), (8875, 246506), (9230, 237025), (9481, 230750), (12350, 177145), (12475, 175370), (12974, 168625), (13490, 162175), (17537, 124750), (17750, 123253), (18962, 115375), (23075, 94810), (24950, 87685), (30875, 70858), (32435, 67450), (33725, 64870), (35074, 62375), (35429, 61750), (46150, 47405)]