172644890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:503

約数の個数: 64

約数和(自身を含む): 353092608

約数和(自身を除く): 180447718

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 197, 257, 310, 341, 394, 514, 682, 985, 1285, 1705, 1970, 2167, 2570, 2827, 3410, 4334, 5654, 6107, 7967, 10835, 12214, 14135, 15934, 21670, 28270, 30535, 39835, 50629, 61070, 67177, 79670, 87637, 101258, 134354, 175274, 253145, 335885, 438185, 506290, 556919, 671770, 876370, 1113838, 1569499, 2784595, 3138998, 5569190, 7847495, 15694990, 17264489, 34528978, 86322445, 172644890]

約数ペア:

[(1, 172644890), (2, 86322445), (5, 34528978), (10, 17264489), (11, 15694990), (22, 7847495), (31, 5569190), (55, 3138998), (62, 2784595), (110, 1569499), (155, 1113838), (197, 876370), (257, 671770), (310, 556919), (341, 506290), (394, 438185), (514, 335885), (682, 253145), (985, 175274), (1285, 134354), (1705, 101258), (1970, 87637), (2167, 79670), (2570, 67177), (2827, 61070), (3410, 50629), (4334, 39835), (5654, 30535), (6107, 28270), (7967, 21670), (10835, 15934), (12214, 14135)]