74155220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 167598816

約数和(自身を除く): 93443596

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 163, 172, 215, 230, 326, 430, 460, 529, 652, 815, 860, 989, 1058, 1630, 1978, 2116, 2645, 3260, 3749, 3956, 4945, 5290, 7009, 7498, 9890, 10580, 14018, 14996, 18745, 19780, 22747, 28036, 35045, 37490, 45494, 70090, 74980, 86227, 90988, 113735, 140180, 161207, 172454, 227470, 322414, 344908, 431135, 454940, 644828, 806035, 862270, 1612070, 1724540, 3224140, 3707761, 7415522, 14831044, 18538805, 37077610, 74155220]

約数ペア:

[(1, 74155220), (2, 37077610), (4, 18538805), (5, 14831044), (10, 7415522), (20, 3707761), (23, 3224140), (43, 1724540), (46, 1612070), (86, 862270), (92, 806035), (115, 644828), (163, 454940), (172, 431135), (215, 344908), (230, 322414), (326, 227470), (430, 172454), (460, 161207), (529, 140180), (652, 113735), (815, 90988), (860, 86227), (989, 74980), (1058, 70090), (1630, 45494), (1978, 37490), (2116, 35045), (2645, 28036), (3260, 22747), (3749, 19780), (3956, 18745), (4945, 14996), (5290, 14018), (7009, 10580), (7498, 9890)]