311173900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{701}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 709267104

約数和(自身を除く): 398093204

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 193, 230, 386, 460, 575, 701, 772, 965, 1150, 1402, 1930, 2300, 2804, 3505, 3860, 4439, 4825, 7010, 8878, 9650, 14020, 16123, 17525, 17756, 19300, 22195, 32246, 35050, 44390, 64492, 70100, 80615, 88780, 110975, 135293, 161230, 221950, 270586, 322460, 403075, 443900, 541172, 676465, 806150, 1352930, 1612300, 2705860, 3111739, 3382325, 6223478, 6764650, 12446956, 13529300, 15558695, 31117390, 62234780, 77793475, 155586950, 311173900]

約数ペア:

[(1, 311173900), (2, 155586950), (4, 77793475), (5, 62234780), (10, 31117390), (20, 15558695), (23, 13529300), (25, 12446956), (46, 6764650), (50, 6223478), (92, 3382325), (100, 3111739), (115, 2705860), (193, 1612300), (230, 1352930), (386, 806150), (460, 676465), (575, 541172), (701, 443900), (772, 403075), (965, 322460), (1150, 270586), (1402, 221950), (1930, 161230), (2300, 135293), (2804, 110975), (3505, 88780), (3860, 80615), (4439, 70100), (4825, 64492), (7010, 44390), (8878, 35050), (9650, 32246), (14020, 22195), (16123, 19300), (17525, 17756)]