2018938250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16249}}^1$

素因数の和:16344

約数の個数: 64

約数和(自身を含む): 4380480000

約数和(自身を除く): 2361541750

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 125, 142, 175, 250, 350, 355, 497, 710, 875, 994, 1750, 1775, 2485, 3550, 4970, 8875, 12425, 16249, 17750, 24850, 32498, 62125, 81245, 113743, 124250, 162490, 227486, 406225, 568715, 812450, 1137430, 1153679, 2031125, 2307358, 2843575, 4062250, 5687150, 5768395, 8075753, 11536790, 14217875, 16151506, 28435750, 28841975, 40378765, 57683950, 80757530, 144209875, 201893825, 288419750, 403787650, 1009469125, 2018938250]

約数ペア:

[(1, 2018938250), (2, 1009469125), (5, 403787650), (7, 288419750), (10, 201893825), (14, 144209875), (25, 80757530), (35, 57683950), (50, 40378765), (70, 28841975), (71, 28435750), (125, 16151506), (142, 14217875), (175, 11536790), (250, 8075753), (350, 5768395), (355, 5687150), (497, 4062250), (710, 2843575), (875, 2307358), (994, 2031125), (1750, 1153679), (1775, 1137430), (2485, 812450), (3550, 568715), (4970, 406225), (8875, 227486), (12425, 162490), (16249, 124250), (17750, 113743), (24850, 81245), (32498, 62125)]