844643480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2857}}^1$

素因数の和:3276

約数の個数: 64

約数和(自身を含む): 2006316000

約数和(自身を除く): 1161672520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 389, 760, 778, 1556, 1945, 2857, 3112, 3890, 5714, 7391, 7780, 11428, 14285, 14782, 15560, 22856, 28570, 29564, 36955, 54283, 57140, 59128, 73910, 108566, 114280, 147820, 217132, 271415, 295640, 434264, 542830, 1085660, 1111373, 2171320, 2222746, 4445492, 5556865, 8890984, 11113730, 21116087, 22227460, 42232174, 44454920, 84464348, 105580435, 168928696, 211160870, 422321740, 844643480]

約数ペア:

[(1, 844643480), (2, 422321740), (4, 211160870), (5, 168928696), (8, 105580435), (10, 84464348), (19, 44454920), (20, 42232174), (38, 22227460), (40, 21116087), (76, 11113730), (95, 8890984), (152, 5556865), (190, 4445492), (380, 2222746), (389, 2171320), (760, 1111373), (778, 1085660), (1556, 542830), (1945, 434264), (2857, 295640), (3112, 271415), (3890, 217132), (5714, 147820), (7391, 114280), (7780, 108566), (11428, 73910), (14285, 59128), (14782, 57140), (15560, 54283), (22856, 36955), (28570, 29564)]