31272100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 72564800

約数和(自身を除く): 41292700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 109, 151, 190, 218, 302, 380, 436, 475, 545, 604, 755, 950, 1090, 1510, 1900, 2071, 2180, 2725, 2869, 3020, 3775, 4142, 5450, 5738, 7550, 8284, 10355, 10900, 11476, 14345, 15100, 16459, 20710, 28690, 32918, 41420, 51775, 57380, 65836, 71725, 82295, 103550, 143450, 164590, 207100, 286900, 312721, 329180, 411475, 625442, 822950, 1250884, 1563605, 1645900, 3127210, 6254420, 7818025, 15636050, 31272100]

約数ペア:

[(1, 31272100), (2, 15636050), (4, 7818025), (5, 6254420), (10, 3127210), (19, 1645900), (20, 1563605), (25, 1250884), (38, 822950), (50, 625442), (76, 411475), (95, 329180), (100, 312721), (109, 286900), (151, 207100), (190, 164590), (218, 143450), (302, 103550), (380, 82295), (436, 71725), (475, 65836), (545, 57380), (604, 51775), (755, 41420), (950, 32918), (1090, 28690), (1510, 20710), (1900, 16459), (2071, 15100), (2180, 14345), (2725, 11476), (2869, 10900), (3020, 10355), (3775, 8284), (4142, 7550), (5450, 5738)]