31544180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 74313288

約数和(自身を除く): 42769108

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 257, 323, 340, 361, 380, 514, 646, 722, 1028, 1285, 1292, 1444, 1615, 1805, 2570, 3230, 3610, 4369, 4883, 5140, 6137, 6460, 7220, 8738, 9766, 12274, 17476, 19532, 21845, 24415, 24548, 30685, 43690, 48830, 61370, 83011, 87380, 92777, 97660, 122740, 166022, 185554, 332044, 371108, 415055, 463885, 830110, 927770, 1577209, 1660220, 1855540, 3154418, 6308836, 7886045, 15772090, 31544180]

約数ペア:

[(1, 31544180), (2, 15772090), (4, 7886045), (5, 6308836), (10, 3154418), (17, 1855540), (19, 1660220), (20, 1577209), (34, 927770), (38, 830110), (68, 463885), (76, 415055), (85, 371108), (95, 332044), (170, 185554), (190, 166022), (257, 122740), (323, 97660), (340, 92777), (361, 87380), (380, 83011), (514, 61370), (646, 48830), (722, 43690), (1028, 30685), (1285, 24548), (1292, 24415), (1444, 21845), (1615, 19532), (1805, 17476), (2570, 12274), (3230, 9766), (3610, 8738), (4369, 7220), (4883, 6460), (5140, 6137)]