426535220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1\times {\mathrm{541}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 910560000

約数和(自身を除く): 484024780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 499, 541, 790, 998, 1082, 1580, 1996, 2164, 2495, 2705, 4990, 5410, 9980, 10820, 39421, 42739, 78842, 85478, 157684, 170956, 197105, 213695, 269959, 394210, 427390, 539918, 788420, 854780, 1079836, 1349795, 2699590, 5399180, 21326761, 42653522, 85307044, 106633805, 213267610, 426535220]

約数ペア:

[(1, 426535220), (2, 213267610), (4, 106633805), (5, 85307044), (10, 42653522), (20, 21326761), (79, 5399180), (158, 2699590), (316, 1349795), (395, 1079836), (499, 854780), (541, 788420), (790, 539918), (998, 427390), (1082, 394210), (1580, 269959), (1996, 213695), (2164, 197105), (2495, 170956), (2705, 157684), (4990, 85478), (5410, 78842), (9980, 42739), (10820, 39421)]