407491280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23473}}^1$

素因数の和:23524

約数の個数: 80

約数和(自身を含む): 1117737984

約数和(自身を除く): 710246704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 23473, 46946, 93892, 117365, 164311, 187784, 234730, 328622, 375568, 469460, 657244, 727663, 821555, 938920, 1314488, 1455326, 1643110, 1877840, 2628976, 2910652, 3286220, 3638315, 5093641, 5821304, 6572440, 7276630, 10187282, 11642608, 13144880, 14553260, 20374564, 25468205, 29106520, 40749128, 50936410, 58213040, 81498256, 101872820, 203745640, 407491280]

約数ペア:

[(1, 407491280), (2, 203745640), (4, 101872820), (5, 81498256), (7, 58213040), (8, 50936410), (10, 40749128), (14, 29106520), (16, 25468205), (20, 20374564), (28, 14553260), (31, 13144880), (35, 11642608), (40, 10187282), (56, 7276630), (62, 6572440), (70, 5821304), (80, 5093641), (112, 3638315), (124, 3286220), (140, 2910652), (155, 2628976), (217, 1877840), (248, 1643110), (280, 1455326), (310, 1314488), (434, 938920), (496, 821555), (560, 727663), (620, 657244), (868, 469460), (1085, 375568), (1240, 328622), (1736, 234730), (2170, 187784), (2480, 164311), (3472, 117365), (4340, 93892), (8680, 46946), (17360, 23473)]