3800420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 8805888

約数和(自身を除く): 5005468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 311, 470, 611, 622, 940, 1222, 1244, 1555, 2444, 3055, 3110, 4043, 6110, 6220, 8086, 12220, 14617, 16172, 20215, 29234, 40430, 58468, 73085, 80860, 146170, 190021, 292340, 380042, 760084, 950105, 1900210, 3800420]

約数ペア:

[(1, 3800420), (2, 1900210), (4, 950105), (5, 760084), (10, 380042), (13, 292340), (20, 190021), (26, 146170), (47, 80860), (52, 73085), (65, 58468), (94, 40430), (130, 29234), (188, 20215), (235, 16172), (260, 14617), (311, 12220), (470, 8086), (611, 6220), (622, 6110), (940, 4043), (1222, 3110), (1244, 3055), (1555, 2444)]