420924518

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:801

約数の個数: 64

約数和(自身を含む): 801239040

約数和(自身を除く): 380314522

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 107, 133, 161, 214, 266, 322, 437, 643, 749, 874, 1286, 1498, 2033, 2461, 3059, 4066, 4501, 4922, 6118, 9002, 12217, 14231, 14789, 17227, 24434, 28462, 29578, 34454, 46759, 68801, 85519, 93518, 103523, 137602, 171038, 207046, 280991, 327313, 481607, 561982, 654626, 963214, 1307219, 1582423, 1966937, 2614438, 3164846, 3933874, 9150533, 11076961, 18301066, 22153922, 30066037, 60132074, 210462259, 420924518]

約数ペア:

[(1, 420924518), (2, 210462259), (7, 60132074), (14, 30066037), (19, 22153922), (23, 18301066), (38, 11076961), (46, 9150533), (107, 3933874), (133, 3164846), (161, 2614438), (214, 1966937), (266, 1582423), (322, 1307219), (437, 963214), (643, 654626), (749, 561982), (874, 481607), (1286, 327313), (1498, 280991), (2033, 207046), (2461, 171038), (3059, 137602), (4066, 103523), (4501, 93518), (4922, 85519), (6118, 68801), (9002, 46759), (12217, 34454), (14231, 29578), (14789, 28462), (17227, 24434)]