1388891800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{301933}}^1$

素因数の和:301972

約数の個数: 48

約数和(自身を含む): 3369583440

約数和(自身を除く): 1980691640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4600, 301933, 603866, 1207732, 1509665, 2415464, 3019330, 6038660, 6944459, 7548325, 12077320, 13888918, 15096650, 27777836, 30193300, 34722295, 55555672, 60386600, 69444590, 138889180, 173611475, 277778360, 347222950, 694445900, 1388891800]

約数ペア:

[(1, 1388891800), (2, 694445900), (4, 347222950), (5, 277778360), (8, 173611475), (10, 138889180), (20, 69444590), (23, 60386600), (25, 55555672), (40, 34722295), (46, 30193300), (50, 27777836), (92, 15096650), (100, 13888918), (115, 12077320), (184, 7548325), (200, 6944459), (230, 6038660), (460, 3019330), (575, 2415464), (920, 1509665), (1150, 1207732), (2300, 603866), (4600, 301933)]