28808570

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 62380800

約数和(自身を除く): 33572230

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, 2590, 3178, 3430, 3626, 7945, 8399, 9065, 11123, 12691, 15890, 16798, 18130, 22246, 25382, 41995, 55615, 58793, 63455, 77861, 83990, 111230, 117586, 126910, 155722, 293965, 389305, 411551, 587930, 778610, 823102, 2057755, 2880857, 4115510, 5761714, 14404285, 28808570]

約数ペア:

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