1520003420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307693}}^1$

素因数の和:307734

約数の個数: 48

約数和(自身を含む): 3618481440

約数和(自身を除く): 2098478020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 307693, 615386, 1230772, 1538465, 3076930, 4000009, 5846167, 6153860, 8000018, 11692334, 16000036, 20000045, 23384668, 29230835, 40000090, 58461670, 76000171, 80000180, 116923340, 152000342, 304000684, 380000855, 760001710, 1520003420]

約数ペア:

[(1, 1520003420), (2, 760001710), (4, 380000855), (5, 304000684), (10, 152000342), (13, 116923340), (19, 80000180), (20, 76000171), (26, 58461670), (38, 40000090), (52, 29230835), (65, 23384668), (76, 20000045), (95, 16000036), (130, 11692334), (190, 8000018), (247, 6153860), (260, 5846167), (380, 4000009), (494, 3076930), (988, 1538465), (1235, 1230772), (2470, 615386), (4940, 307693)]