207908500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:322

約数の個数: 96

約数和(自身を含む): 481178880

約数和(自身を除く): 273270380

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 101, 115, 125, 179, 202, 230, 250, 358, 404, 460, 500, 505, 575, 716, 895, 1010, 1150, 1790, 2020, 2300, 2323, 2525, 2875, 3580, 4117, 4475, 4646, 5050, 5750, 8234, 8950, 9292, 10100, 11500, 11615, 12625, 16468, 17900, 18079, 20585, 22375, 23230, 25250, 36158, 41170, 44750, 46460, 50500, 58075, 72316, 82340, 89500, 90395, 102925, 116150, 180790, 205850, 232300, 290375, 361580, 411700, 415817, 451975, 514625, 580750, 831634, 903950, 1029250, 1161500, 1663268, 1807900, 2058500, 2079085, 2259875, 4158170, 4519750, 8316340, 9039500, 10395425, 20790850, 41581700, 51977125, 103954250, 207908500]

約数ペア:

[(1, 207908500), (2, 103954250), (4, 51977125), (5, 41581700), (10, 20790850), (20, 10395425), (23, 9039500), (25, 8316340), (46, 4519750), (50, 4158170), (92, 2259875), (100, 2079085), (101, 2058500), (115, 1807900), (125, 1663268), (179, 1161500), (202, 1029250), (230, 903950), (250, 831634), (358, 580750), (404, 514625), (460, 451975), (500, 415817), (505, 411700), (575, 361580), (716, 290375), (895, 232300), (1010, 205850), (1150, 180790), (1790, 116150), (2020, 102925), (2300, 90395), (2323, 89500), (2525, 82340), (2875, 72316), (3580, 58075), (4117, 50500), (4475, 46460), (4646, 44750), (5050, 41170), (5750, 36158), (8234, 25250), (8950, 23230), (9292, 22375), (10100, 20585), (11500, 18079), (11615, 17900), (12625, 16468)]