997399680020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{599}}^1\times {\mathrm{763811}}^1$

素因数の和:764528

約数の個数: 48

約数和(自身を含む): 2117286864000

約数和(自身を除く): 1119887183980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 599, 1090, 1198, 2180, 2396, 2995, 5990, 11980, 65291, 130582, 261164, 326455, 652910, 763811, 1305820, 1527622, 3055244, 3819055, 7638110, 15276220, 83255399, 166510798, 333021596, 416276995, 457522789, 832553990, 915045578, 1665107980, 1830091156, 2287613945, 4575227890, 9150455780, 49869984001, 99739968002, 199479936004, 249349920005, 498699840010, 997399680020]

約数ペア:

[(1, 997399680020), (2, 498699840010), (4, 249349920005), (5, 199479936004), (10, 99739968002), (20, 49869984001), (109, 9150455780), (218, 4575227890), (436, 2287613945), (545, 1830091156), (599, 1665107980), (1090, 915045578), (1198, 832553990), (2180, 457522789), (2396, 416276995), (2995, 333021596), (5990, 166510798), (11980, 83255399), (65291, 15276220), (130582, 7638110), (261164, 3819055), (326455, 3055244), (652910, 1527622), (763811, 1305820)]