210202400

素因数分解:

$2^5\times 5^2\times {\mathrm{103}}^1\times {\mathrm{2551}}^1$

素因数の和:2674

約数の個数: 72

約数和(自身を含む): 518341824

約数和(自身を除く): 308139424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 103, 160, 200, 206, 400, 412, 515, 800, 824, 1030, 1648, 2060, 2551, 2575, 3296, 4120, 5102, 5150, 8240, 10204, 10300, 12755, 16480, 20408, 20600, 25510, 40816, 41200, 51020, 63775, 81632, 82400, 102040, 127550, 204080, 255100, 262753, 408160, 510200, 525506, 1020400, 1051012, 1313765, 2040800, 2102024, 2627530, 4204048, 5255060, 6568825, 8408096, 10510120, 13137650, 21020240, 26275300, 42040480, 52550600, 105101200, 210202400]

約数ペア:

[(1, 210202400), (2, 105101200), (4, 52550600), (5, 42040480), (8, 26275300), (10, 21020240), (16, 13137650), (20, 10510120), (25, 8408096), (32, 6568825), (40, 5255060), (50, 4204048), (80, 2627530), (100, 2102024), (103, 2040800), (160, 1313765), (200, 1051012), (206, 1020400), (400, 525506), (412, 510200), (515, 408160), (800, 262753), (824, 255100), (1030, 204080), (1648, 127550), (2060, 102040), (2551, 82400), (2575, 81632), (3296, 63775), (4120, 51020), (5102, 41200), (5150, 40816), (8240, 25510), (10204, 20600), (10300, 20408), (12755, 16480)]