285712900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{491}}^1$

素因数の和:562

約数の個数: 108

約数和(自身を含む): 708485904

約数和(自身を除く): 422773004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 491, 506, 529, 550, 575, 982, 1012, 1058, 1100, 1150, 1265, 1964, 2116, 2300, 2455, 2530, 2645, 4910, 5060, 5290, 5401, 5819, 6325, 9820, 10580, 10802, 11293, 11638, 12275, 12650, 13225, 21604, 22586, 23276, 24550, 25300, 26450, 27005, 29095, 45172, 49100, 52900, 54010, 56465, 58190, 108020, 112930, 116380, 124223, 135025, 145475, 225860, 248446, 259739, 270050, 282325, 290950, 496892, 519478, 540100, 564650, 581900, 621115, 1038956, 1129300, 1242230, 1298695, 2484460, 2597390, 2857129, 3105575, 5194780, 5714258, 6211150, 6493475, 11428516, 12422300, 12986950, 14285645, 25973900, 28571290, 57142580, 71428225, 142856450, 285712900]

約数ペア:

[(1, 285712900), (2, 142856450), (4, 71428225), (5, 57142580), (10, 28571290), (11, 25973900), (20, 14285645), (22, 12986950), (23, 12422300), (25, 11428516), (44, 6493475), (46, 6211150), (50, 5714258), (55, 5194780), (92, 3105575), (100, 2857129), (110, 2597390), (115, 2484460), (220, 1298695), (230, 1242230), (253, 1129300), (275, 1038956), (460, 621115), (491, 581900), (506, 564650), (529, 540100), (550, 519478), (575, 496892), (982, 290950), (1012, 282325), (1058, 270050), (1100, 259739), (1150, 248446), (1265, 225860), (1964, 145475), (2116, 135025), (2300, 124223), (2455, 116380), (2530, 112930), (2645, 108020), (4910, 58190), (5060, 56465), (5290, 54010), (5401, 52900), (5819, 49100), (6325, 45172), (9820, 29095), (10580, 27005), (10802, 26450), (11293, 25300), (11638, 24550), (12275, 23276), (12650, 22586), (13225, 21604)]