773680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 1897200

約数和(自身を除く): 1123520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 509, 760, 1018, 1520, 2036, 2545, 4072, 5090, 8144, 9671, 10180, 19342, 20360, 38684, 40720, 48355, 77368, 96710, 154736, 193420, 386840, 773680]

約数ペア:

[(1, 773680), (2, 386840), (4, 193420), (5, 154736), (8, 96710), (10, 77368), (16, 48355), (19, 40720), (20, 38684), (38, 20360), (40, 19342), (76, 10180), (80, 9671), (95, 8144), (152, 5090), (190, 4072), (304, 2545), (380, 2036), (509, 1520), (760, 1018)]