18629800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{1901}}^1$

素因数の和:1931

約数の個数: 72

約数和(自身を含む): 50412510

約数和(自身を除く): 31782710

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1901, 1960, 2450, 3802, 4900, 7604, 9505, 9800, 13307, 15208, 19010, 26614, 38020, 47525, 53228, 66535, 76040, 93149, 95050, 106456, 133070, 186298, 190100, 266140, 332675, 372596, 380200, 465745, 532280, 665350, 745192, 931490, 1330700, 1862980, 2328725, 2661400, 3725960, 4657450, 9314900, 18629800]

約数ペア:

[(1, 18629800), (2, 9314900), (4, 4657450), (5, 3725960), (7, 2661400), (8, 2328725), (10, 1862980), (14, 1330700), (20, 931490), (25, 745192), (28, 665350), (35, 532280), (40, 465745), (49, 380200), (50, 372596), (56, 332675), (70, 266140), (98, 190100), (100, 186298), (140, 133070), (175, 106456), (196, 95050), (200, 93149), (245, 76040), (280, 66535), (350, 53228), (392, 47525), (490, 38020), (700, 26614), (980, 19010), (1225, 15208), (1400, 13307), (1901, 9800), (1960, 9505), (2450, 7604), (3802, 4900)]