203597920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{66973}}^1$

素因数の和:67007

約数の個数: 48

約数和(自身を含む): 506323440

約数和(自身を除く): 302725520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 66973, 133946, 267892, 334865, 535784, 669730, 1071568, 1272487, 1339460, 2143136, 2544974, 2678920, 5089948, 5357840, 6362435, 10179896, 10715680, 12724870, 20359792, 25449740, 40719584, 50899480, 101798960, 203597920]

約数ペア:

[(1, 203597920), (2, 101798960), (4, 50899480), (5, 40719584), (8, 25449740), (10, 20359792), (16, 12724870), (19, 10715680), (20, 10179896), (32, 6362435), (38, 5357840), (40, 5089948), (76, 2678920), (80, 2544974), (95, 2143136), (152, 1339460), (160, 1272487), (190, 1071568), (304, 669730), (380, 535784), (608, 334865), (760, 267892), (1520, 133946), (3040, 66973)]