203672020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7549}}^1$

素因数の和:7648

約数の個数: 48

約数和(自身を含む): 456624000

約数和(自身を除く): 252951980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 6745, 7549, 13490, 15098, 26980, 30196, 37745, 75490, 143431, 150980, 286862, 535979, 573724, 717155, 1071958, 1434310, 2143916, 2679895, 2868620, 5359790, 10183601, 10719580, 20367202, 40734404, 50918005, 101836010, 203672020]

約数ペア:

[(1, 203672020), (2, 101836010), (4, 50918005), (5, 40734404), (10, 20367202), (19, 10719580), (20, 10183601), (38, 5359790), (71, 2868620), (76, 2679895), (95, 2143916), (142, 1434310), (190, 1071958), (284, 717155), (355, 573724), (380, 535979), (710, 286862), (1349, 150980), (1420, 143431), (2698, 75490), (5396, 37745), (6745, 30196), (7549, 26980), (13490, 15098)]