250003660

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{773}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 534171456

約数和(自身を除く): 284167796

約数列:

[1, 2, 4, 5, 10, 20, 103, 157, 206, 314, 412, 515, 628, 773, 785, 1030, 1546, 1570, 2060, 3092, 3140, 3865, 7730, 15460, 16171, 32342, 64684, 79619, 80855, 121361, 159238, 161710, 242722, 318476, 323420, 398095, 485444, 606805, 796190, 1213610, 1592380, 2427220, 12500183, 25000366, 50000732, 62500915, 125001830, 250003660]

約数ペア:

[(1, 250003660), (2, 125001830), (4, 62500915), (5, 50000732), (10, 25000366), (20, 12500183), (103, 2427220), (157, 1592380), (206, 1213610), (314, 796190), (412, 606805), (515, 485444), (628, 398095), (773, 323420), (785, 318476), (1030, 242722), (1546, 161710), (1570, 159238), (2060, 121361), (3092, 80855), (3140, 79619), (3865, 64684), (7730, 32342), (15460, 16171)]