399136530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{1553}}^1$

素因数の和:2235

約数の個数: 64

約数和(自身を含む): 1033845120

約数和(自身を除く): 634708590

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 659, 1318, 1553, 1977, 3106, 3295, 3954, 4659, 6590, 7765, 8567, 9318, 9885, 15530, 17134, 19770, 20189, 23295, 25701, 40378, 42835, 46590, 51402, 60567, 85670, 100945, 121134, 128505, 201890, 257010, 302835, 605670, 1023427, 2046854, 3070281, 5117135, 6140562, 10234270, 13304551, 15351405, 26609102, 30702810, 39913653, 66522755, 79827306, 133045510, 199568265, 399136530]

約数ペア:

[(1, 399136530), (2, 199568265), (3, 133045510), (5, 79827306), (6, 66522755), (10, 39913653), (13, 30702810), (15, 26609102), (26, 15351405), (30, 13304551), (39, 10234270), (65, 6140562), (78, 5117135), (130, 3070281), (195, 2046854), (390, 1023427), (659, 605670), (1318, 302835), (1553, 257010), (1977, 201890), (3106, 128505), (3295, 121134), (3954, 100945), (4659, 85670), (6590, 60567), (7765, 51402), (8567, 46590), (9318, 42835), (9885, 40378), (15530, 25701), (17134, 23295), (19770, 20189)]