619464440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{20297}}^1$

素因数の和:20424

約数の個数: 64

約数和(自身を含む): 1607601600

約数和(自身を除く): 988137160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 3052, 3815, 4360, 6104, 7630, 15260, 20297, 30520, 40594, 81188, 101485, 142079, 162376, 202970, 284158, 405940, 568316, 710395, 811880, 1136632, 1420790, 2212373, 2841580, 4424746, 5683160, 8849492, 11061865, 15486611, 17698984, 22123730, 30973222, 44247460, 61946444, 77433055, 88494920, 123892888, 154866110, 309732220, 619464440]

約数ペア:

[(1, 619464440), (2, 309732220), (4, 154866110), (5, 123892888), (7, 88494920), (8, 77433055), (10, 61946444), (14, 44247460), (20, 30973222), (28, 22123730), (35, 17698984), (40, 15486611), (56, 11061865), (70, 8849492), (109, 5683160), (140, 4424746), (218, 2841580), (280, 2212373), (436, 1420790), (545, 1136632), (763, 811880), (872, 710395), (1090, 568316), (1526, 405940), (2180, 284158), (3052, 202970), (3815, 162376), (4360, 142079), (6104, 101485), (7630, 81188), (15260, 40594), (20297, 30520)]