201739900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{367}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 459970560

約数和(自身を除く): 258230660

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 239, 367, 460, 478, 575, 734, 956, 1150, 1195, 1468, 1835, 2300, 2390, 3670, 4780, 5497, 5975, 7340, 8441, 9175, 10994, 11950, 16882, 18350, 21988, 23900, 27485, 33764, 36700, 42205, 54970, 84410, 87713, 109940, 137425, 168820, 175426, 211025, 274850, 350852, 422050, 438565, 549700, 844100, 877130, 1754260, 2017399, 2192825, 4034798, 4385650, 8069596, 8771300, 10086995, 20173990, 40347980, 50434975, 100869950, 201739900]

約数ペア:

[(1, 201739900), (2, 100869950), (4, 50434975), (5, 40347980), (10, 20173990), (20, 10086995), (23, 8771300), (25, 8069596), (46, 4385650), (50, 4034798), (92, 2192825), (100, 2017399), (115, 1754260), (230, 877130), (239, 844100), (367, 549700), (460, 438565), (478, 422050), (575, 350852), (734, 274850), (956, 211025), (1150, 175426), (1195, 168820), (1468, 137425), (1835, 109940), (2300, 87713), (2390, 84410), (3670, 54970), (4780, 42205), (5497, 36700), (5975, 33764), (7340, 27485), (8441, 23900), (9175, 21988), (10994, 18350), (11950, 16882)]