215670400

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^2\times {\mathrm{557}}^1$

素因数の和:603

約数の個数: 144

約数和(自身を含む): 586661670

約数和(自身を除く): 370991270

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 121, 128, 160, 176, 200, 220, 242, 275, 320, 352, 400, 440, 484, 550, 557, 605, 640, 704, 800, 880, 968, 1100, 1114, 1210, 1408, 1600, 1760, 1936, 2200, 2228, 2420, 2785, 3025, 3200, 3520, 3872, 4400, 4456, 4840, 5570, 6050, 6127, 7040, 7744, 8800, 8912, 9680, 11140, 12100, 12254, 13925, 15488, 17600, 17824, 19360, 22280, 24200, 24508, 27850, 30635, 35200, 35648, 38720, 44560, 48400, 49016, 55700, 61270, 67397, 71296, 77440, 89120, 96800, 98032, 111400, 122540, 134794, 153175, 178240, 193600, 196064, 222800, 245080, 269588, 306350, 336985, 356480, 387200, 392128, 445600, 490160, 539176, 612700, 673970, 784256, 891200, 980320, 1078352, 1225400, 1347940, 1684925, 1782400, 1960640, 2156704, 2450800, 2695880, 3369850, 3921280, 4313408, 4901600, 5391760, 6739700, 8626816, 9803200, 10783520, 13479400, 19606400, 21567040, 26958800, 43134080, 53917600, 107835200, 215670400]

約数ペア:

[(1, 215670400), (2, 107835200), (4, 53917600), (5, 43134080), (8, 26958800), (10, 21567040), (11, 19606400), (16, 13479400), (20, 10783520), (22, 9803200), (25, 8626816), (32, 6739700), (40, 5391760), (44, 4901600), (50, 4313408), (55, 3921280), (64, 3369850), (80, 2695880), (88, 2450800), (100, 2156704), (110, 1960640), (121, 1782400), (128, 1684925), (160, 1347940), (176, 1225400), (200, 1078352), (220, 980320), (242, 891200), (275, 784256), (320, 673970), (352, 612700), (400, 539176), (440, 490160), (484, 445600), (550, 392128), (557, 387200), (605, 356480), (640, 336985), (704, 306350), (800, 269588), (880, 245080), (968, 222800), (1100, 196064), (1114, 193600), (1210, 178240), (1408, 153175), (1600, 134794), (1760, 122540), (1936, 111400), (2200, 98032), (2228, 96800), (2420, 89120), (2785, 77440), (3025, 71296), (3200, 67397), (3520, 61270), (3872, 55700), (4400, 49016), (4456, 48400), (4840, 44560), (5570, 38720), (6050, 35648), (6127, 35200), (7040, 30635), (7744, 27850), (8800, 24508), (8912, 24200), (9680, 22280), (11140, 19360), (12100, 17824), (12254, 17600), (13925, 15488)]