389631450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199811}}^1$

素因数の和:199839

約数の個数: 48

約数和(自身を含む): 1040620896

約数和(自身を除く): 650989446

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 199811, 399622, 599433, 999055, 1198866, 1998110, 2597543, 2997165, 4995275, 5195086, 5994330, 7792629, 9990550, 12987715, 14985825, 15585258, 25975430, 29971650, 38963145, 64938575, 77926290, 129877150, 194815725, 389631450]

約数ペア:

[(1, 389631450), (2, 194815725), (3, 129877150), (5, 77926290), (6, 64938575), (10, 38963145), (13, 29971650), (15, 25975430), (25, 15585258), (26, 14985825), (30, 12987715), (39, 9990550), (50, 7792629), (65, 5994330), (75, 5195086), (78, 4995275), (130, 2997165), (150, 2597543), (195, 1998110), (325, 1198866), (390, 999055), (650, 599433), (975, 399622), (1950, 199811)]