72505790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2027}}^1$

素因数の和:2121

約数の個数: 48

約数和(自身を含む): 153973872

約数和(自身を除く): 81468082

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 73, 98, 146, 245, 365, 490, 511, 730, 1022, 2027, 2555, 3577, 4054, 5110, 7154, 10135, 14189, 17885, 20270, 28378, 35770, 70945, 99323, 141890, 147971, 198646, 295942, 496615, 739855, 993230, 1035797, 1479710, 2071594, 5178985, 7250579, 10357970, 14501158, 36252895, 72505790]

約数ペア:

[(1, 72505790), (2, 36252895), (5, 14501158), (7, 10357970), (10, 7250579), (14, 5178985), (35, 2071594), (49, 1479710), (70, 1035797), (73, 993230), (98, 739855), (146, 496615), (245, 295942), (365, 198646), (490, 147971), (511, 141890), (730, 99323), (1022, 70945), (2027, 35770), (2555, 28378), (3577, 20270), (4054, 17885), (5110, 14189), (7154, 10135)]