90392500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 228301920

約数和(自身を除く): 137909420

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 125, 173, 190, 209, 220, 250, 275, 346, 380, 418, 475, 500, 550, 625, 692, 836, 865, 950, 1045, 1100, 1250, 1375, 1730, 1900, 1903, 2090, 2375, 2500, 2750, 3287, 3460, 3806, 4180, 4325, 4750, 5225, 5500, 6574, 6875, 7612, 8650, 9500, 9515, 10450, 11875, 13148, 13750, 16435, 17300, 19030, 20900, 21625, 23750, 26125, 27500, 32870, 36157, 38060, 43250, 47500, 47575, 52250, 65740, 72314, 82175, 86500, 95150, 104500, 108125, 130625, 144628, 164350, 180785, 190300, 216250, 237875, 261250, 328700, 361570, 410875, 432500, 475750, 522500, 723140, 821750, 903925, 951500, 1189375, 1643500, 1807850, 2054375, 2378750, 3615700, 4108750, 4519625, 4757500, 8217500, 9039250, 18078500, 22598125, 45196250, 90392500]

約数ペア:

[(1, 90392500), (2, 45196250), (4, 22598125), (5, 18078500), (10, 9039250), (11, 8217500), (19, 4757500), (20, 4519625), (22, 4108750), (25, 3615700), (38, 2378750), (44, 2054375), (50, 1807850), (55, 1643500), (76, 1189375), (95, 951500), (100, 903925), (110, 821750), (125, 723140), (173, 522500), (190, 475750), (209, 432500), (220, 410875), (250, 361570), (275, 328700), (346, 261250), (380, 237875), (418, 216250), (475, 190300), (500, 180785), (550, 164350), (625, 144628), (692, 130625), (836, 108125), (865, 104500), (950, 95150), (1045, 86500), (1100, 82175), (1250, 72314), (1375, 65740), (1730, 52250), (1900, 47575), (1903, 47500), (2090, 43250), (2375, 38060), (2500, 36157), (2750, 32870), (3287, 27500), (3460, 26125), (3806, 23750), (4180, 21625), (4325, 20900), (4750, 19030), (5225, 17300), (5500, 16435), (6574, 13750), (6875, 13148), (7612, 11875), (8650, 10450), (9500, 9515)]