313428560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{206203}}^1$

素因数の和:206235

約数の個数: 40

約数和(自身を含む): 767078880

約数和(自身を除く): 453650320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 206203, 412406, 824812, 1031015, 1649624, 2062030, 3299248, 3917857, 4124060, 7835714, 8248120, 15671428, 16496240, 19589285, 31342856, 39178570, 62685712, 78357140, 156714280, 313428560]

約数ペア:

[(1, 313428560), (2, 156714280), (4, 78357140), (5, 62685712), (8, 39178570), (10, 31342856), (16, 19589285), (19, 16496240), (20, 15671428), (38, 8248120), (40, 7835714), (76, 4124060), (80, 3917857), (95, 3299248), (152, 2062030), (190, 1649624), (304, 1031015), (380, 824812), (760, 412406), (1520, 206203)]