158200420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1481}}^1$

素因数の和:1613

約数の個数: 72

約数和(自身を含む): 390269880

約数和(自身を除く): 232069460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 763, 980, 1090, 1481, 1526, 2180, 2962, 3052, 3815, 5341, 5924, 7405, 7630, 10367, 10682, 14810, 15260, 20734, 21364, 26705, 29620, 41468, 51835, 53410, 72569, 103670, 106820, 145138, 161429, 207340, 290276, 322858, 362845, 645716, 725690, 807145, 1130003, 1451380, 1614290, 2260006, 3228580, 4520012, 5650015, 7910021, 11300030, 15820042, 22600060, 31640084, 39550105, 79100210, 158200420]

約数ペア:

[(1, 158200420), (2, 79100210), (4, 39550105), (5, 31640084), (7, 22600060), (10, 15820042), (14, 11300030), (20, 7910021), (28, 5650015), (35, 4520012), (49, 3228580), (70, 2260006), (98, 1614290), (109, 1451380), (140, 1130003), (196, 807145), (218, 725690), (245, 645716), (436, 362845), (490, 322858), (545, 290276), (763, 207340), (980, 161429), (1090, 145138), (1481, 106820), (1526, 103670), (2180, 72569), (2962, 53410), (3052, 51835), (3815, 41468), (5341, 29620), (5924, 26705), (7405, 21364), (7630, 20734), (10367, 15260), (10682, 14810)]