301271380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{353}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 641108160

約数和(自身を除く): 339836780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 307, 353, 556, 614, 695, 706, 1228, 1390, 1412, 1535, 1765, 2780, 3070, 3530, 6140, 7060, 42673, 49067, 85346, 98134, 108371, 170692, 196268, 213365, 216742, 245335, 426730, 433484, 490670, 541855, 853460, 981340, 1083710, 2167420, 15063569, 30127138, 60254276, 75317845, 150635690, 301271380]

約数ペア:

[(1, 301271380), (2, 150635690), (4, 75317845), (5, 60254276), (10, 30127138), (20, 15063569), (139, 2167420), (278, 1083710), (307, 981340), (353, 853460), (556, 541855), (614, 490670), (695, 433484), (706, 426730), (1228, 245335), (1390, 216742), (1412, 213365), (1535, 196268), (1765, 170692), (2780, 108371), (3070, 98134), (3530, 85346), (6140, 49067), (7060, 42673)]