28552700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 68526864

約数和(自身を除く): 39974164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 101, 110, 202, 220, 257, 275, 404, 505, 514, 550, 1010, 1028, 1100, 1111, 1285, 2020, 2222, 2525, 2570, 2827, 4444, 5050, 5140, 5555, 5654, 6425, 10100, 11110, 11308, 12850, 14135, 22220, 25700, 25957, 27775, 28270, 51914, 55550, 56540, 70675, 103828, 111100, 129785, 141350, 259570, 282700, 285527, 519140, 571054, 648925, 1142108, 1297850, 1427635, 2595700, 2855270, 5710540, 7138175, 14276350, 28552700]

約数ペア:

[(1, 28552700), (2, 14276350), (4, 7138175), (5, 5710540), (10, 2855270), (11, 2595700), (20, 1427635), (22, 1297850), (25, 1142108), (44, 648925), (50, 571054), (55, 519140), (100, 285527), (101, 282700), (110, 259570), (202, 141350), (220, 129785), (257, 111100), (275, 103828), (404, 70675), (505, 56540), (514, 55550), (550, 51914), (1010, 28270), (1028, 27775), (1100, 25957), (1111, 25700), (1285, 22220), (2020, 14135), (2222, 12850), (2525, 11308), (2570, 11110), (2827, 10100), (4444, 6425), (5050, 5654), (5140, 5555)]