210521700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{757}}^1$

素因数の和:883

約数の個数: 144

約数和(自身を含む): 684261760

約数和(自身を除く): 473740060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 103, 108, 135, 150, 180, 206, 225, 270, 300, 309, 412, 450, 515, 540, 618, 675, 757, 900, 927, 1030, 1236, 1350, 1514, 1545, 1854, 2060, 2271, 2575, 2700, 2781, 3028, 3090, 3708, 3785, 4542, 4635, 5150, 5562, 6180, 6813, 7570, 7725, 9084, 9270, 10300, 11124, 11355, 13626, 13905, 15140, 15450, 18540, 18925, 20439, 22710, 23175, 27252, 27810, 30900, 34065, 37850, 40878, 45420, 46350, 55620, 56775, 68130, 69525, 75700, 77971, 81756, 92700, 102195, 113550, 136260, 139050, 155942, 170325, 204390, 227100, 233913, 278100, 311884, 340650, 389855, 408780, 467826, 510975, 681300, 701739, 779710, 935652, 1021950, 1169565, 1403478, 1559420, 1949275, 2043900, 2105217, 2339130, 2806956, 3508695, 3898550, 4210434, 4678260, 5847825, 7017390, 7797100, 8420868, 10526085, 11695650, 14034780, 17543475, 21052170, 23391300, 35086950, 42104340, 52630425, 70173900, 105260850, 210521700]

約数ペア:

[(1, 210521700), (2, 105260850), (3, 70173900), (4, 52630425), (5, 42104340), (6, 35086950), (9, 23391300), (10, 21052170), (12, 17543475), (15, 14034780), (18, 11695650), (20, 10526085), (25, 8420868), (27, 7797100), (30, 7017390), (36, 5847825), (45, 4678260), (50, 4210434), (54, 3898550), (60, 3508695), (75, 2806956), (90, 2339130), (100, 2105217), (103, 2043900), (108, 1949275), (135, 1559420), (150, 1403478), (180, 1169565), (206, 1021950), (225, 935652), (270, 779710), (300, 701739), (309, 681300), (412, 510975), (450, 467826), (515, 408780), (540, 389855), (618, 340650), (675, 311884), (757, 278100), (900, 233913), (927, 227100), (1030, 204390), (1236, 170325), (1350, 155942), (1514, 139050), (1545, 136260), (1854, 113550), (2060, 102195), (2271, 92700), (2575, 81756), (2700, 77971), (2781, 75700), (3028, 69525), (3090, 68130), (3708, 56775), (3785, 55620), (4542, 46350), (4635, 45420), (5150, 40878), (5562, 37850), (6180, 34065), (6813, 30900), (7570, 27810), (7725, 27252), (9084, 23175), (9270, 22710), (10300, 20439), (11124, 18925), (11355, 18540), (13626, 15450), (13905, 15140)]