219929996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 475668480

約数和(自身を除く): 255738484

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 79, 124, 143, 157, 158, 286, 314, 316, 341, 403, 572, 628, 682, 806, 869, 1027, 1364, 1612, 1727, 1738, 2041, 2054, 2449, 3454, 3476, 4082, 4108, 4433, 4867, 4898, 6908, 8164, 8866, 9734, 9796, 11297, 12403, 17732, 19468, 22451, 22594, 24806, 26939, 31837, 44902, 45188, 49612, 53537, 53878, 63271, 63674, 89804, 107074, 107756, 126542, 127348, 136433, 161239, 214148, 253084, 272866, 322478, 350207, 384493, 545732, 644956, 695981, 700414, 768986, 1391962, 1400828, 1537972, 1773629, 2783924, 3547258, 4229423, 4998409, 7094516, 8458846, 9996818, 16917692, 19993636, 54982499, 109964998, 219929996]

約数ペア:

[(1, 219929996), (2, 109964998), (4, 54982499), (11, 19993636), (13, 16917692), (22, 9996818), (26, 8458846), (31, 7094516), (44, 4998409), (52, 4229423), (62, 3547258), (79, 2783924), (124, 1773629), (143, 1537972), (157, 1400828), (158, 1391962), (286, 768986), (314, 700414), (316, 695981), (341, 644956), (403, 545732), (572, 384493), (628, 350207), (682, 322478), (806, 272866), (869, 253084), (1027, 214148), (1364, 161239), (1612, 136433), (1727, 127348), (1738, 126542), (2041, 107756), (2054, 107074), (2449, 89804), (3454, 63674), (3476, 63271), (4082, 53878), (4108, 53537), (4433, 49612), (4867, 45188), (4898, 44902), (6908, 31837), (8164, 26939), (8866, 24806), (9734, 22594), (9796, 22451), (11297, 19468), (12403, 17732)]