420039998

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 764467200

約数和(自身を除く): 344427202

約数列:

[1, 2, 7, 14, 41, 59, 79, 82, 118, 157, 158, 287, 314, 413, 553, 574, 826, 1099, 1106, 2198, 2419, 3239, 4661, 4838, 6437, 6478, 9263, 9322, 12403, 12874, 16933, 18526, 22673, 24806, 32627, 33866, 45059, 45346, 64841, 65254, 86821, 90118, 129682, 173642, 191101, 379783, 382202, 508523, 731777, 759566, 1017046, 1337707, 1463554, 2658481, 2675414, 3559661, 5122439, 5316962, 7119322, 10244878, 30002857, 60005714, 210019999, 420039998]

約数ペア:

[(1, 420039998), (2, 210019999), (7, 60005714), (14, 30002857), (41, 10244878), (59, 7119322), (79, 5316962), (82, 5122439), (118, 3559661), (157, 2675414), (158, 2658481), (287, 1463554), (314, 1337707), (413, 1017046), (553, 759566), (574, 731777), (826, 508523), (1099, 382202), (1106, 379783), (2198, 191101), (2419, 173642), (3239, 129682), (4661, 90118), (4838, 86821), (6437, 65254), (6478, 64841), (9263, 45346), (9322, 45059), (12403, 33866), (12874, 32627), (16933, 24806), (18526, 22673)]