1309213840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1487743}}^1$

素因数の和:1487767

約数の個数: 40

約数和(自身を含む): 3320644608

約数和(自身を除く): 2011430768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1487743, 2975486, 5950972, 7438715, 11901944, 14877430, 16365173, 23803888, 29754860, 32730346, 59509720, 65460692, 81825865, 119019440, 130921384, 163651730, 261842768, 327303460, 654606920, 1309213840]

約数ペア:

[(1, 1309213840), (2, 654606920), (4, 327303460), (5, 261842768), (8, 163651730), (10, 130921384), (11, 119019440), (16, 81825865), (20, 65460692), (22, 59509720), (40, 32730346), (44, 29754860), (55, 23803888), (80, 16365173), (88, 14877430), (110, 11901944), (176, 7438715), (220, 5950972), (440, 2975486), (880, 1487743)]