201659990

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:299

約数の個数: 80

約数和(自身を含む): 436821552

約数和(自身を除く): 235161562

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 227, 245, 259, 343, 370, 454, 490, 518, 686, 1135, 1295, 1589, 1715, 1813, 2270, 2401, 2590, 3178, 3430, 3626, 4802, 7945, 8399, 9065, 11123, 12005, 12691, 15890, 16798, 18130, 22246, 24010, 25382, 41995, 55615, 58793, 63455, 77861, 83990, 88837, 111230, 117586, 126910, 155722, 177674, 293965, 389305, 411551, 444185, 545027, 587930, 778610, 823102, 888370, 1090054, 2057755, 2725135, 2880857, 4115510, 5450270, 5761714, 14404285, 20165999, 28808570, 40331998, 100829995, 201659990]

約数ペア:

[(1, 201659990), (2, 100829995), (5, 40331998), (7, 28808570), (10, 20165999), (14, 14404285), (35, 5761714), (37, 5450270), (49, 4115510), (70, 2880857), (74, 2725135), (98, 2057755), (185, 1090054), (227, 888370), (245, 823102), (259, 778610), (343, 587930), (370, 545027), (454, 444185), (490, 411551), (518, 389305), (686, 293965), (1135, 177674), (1295, 155722), (1589, 126910), (1715, 117586), (1813, 111230), (2270, 88837), (2401, 83990), (2590, 77861), (3178, 63455), (3430, 58793), (3626, 55615), (4802, 41995), (7945, 25382), (8399, 24010), (9065, 22246), (11123, 18130), (12005, 16798), (12691, 15890)]