12749000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:112

約数の個数: 128

約数和(自身を含む): 34819200

約数和(自身を除く): 22070200

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 61, 76, 88, 95, 100, 110, 122, 125, 152, 190, 200, 209, 220, 244, 250, 275, 305, 380, 418, 440, 475, 488, 500, 550, 610, 671, 760, 836, 950, 1000, 1045, 1100, 1159, 1220, 1342, 1375, 1525, 1672, 1900, 2090, 2200, 2318, 2375, 2440, 2684, 2750, 3050, 3355, 3800, 4180, 4636, 4750, 5225, 5368, 5500, 5795, 6100, 6710, 7625, 8360, 9272, 9500, 10450, 11000, 11590, 12200, 12749, 13420, 15250, 16775, 19000, 20900, 23180, 25498, 26125, 26840, 28975, 30500, 33550, 41800, 46360, 50996, 52250, 57950, 61000, 63745, 67100, 83875, 101992, 104500, 115900, 127490, 134200, 144875, 167750, 209000, 231800, 254980, 289750, 318725, 335500, 509960, 579500, 637450, 671000, 1159000, 1274900, 1593625, 2549800, 3187250, 6374500, 12749000]

約数ペア:

[(1, 12749000), (2, 6374500), (4, 3187250), (5, 2549800), (8, 1593625), (10, 1274900), (11, 1159000), (19, 671000), (20, 637450), (22, 579500), (25, 509960), (38, 335500), (40, 318725), (44, 289750), (50, 254980), (55, 231800), (61, 209000), (76, 167750), (88, 144875), (95, 134200), (100, 127490), (110, 115900), (122, 104500), (125, 101992), (152, 83875), (190, 67100), (200, 63745), (209, 61000), (220, 57950), (244, 52250), (250, 50996), (275, 46360), (305, 41800), (380, 33550), (418, 30500), (440, 28975), (475, 26840), (488, 26125), (500, 25498), (550, 23180), (610, 20900), (671, 19000), (760, 16775), (836, 15250), (950, 13420), (1000, 12749), (1045, 12200), (1100, 11590), (1159, 11000), (1220, 10450), (1342, 9500), (1375, 9272), (1525, 8360), (1672, 7625), (1900, 6710), (2090, 6100), (2200, 5795), (2318, 5500), (2375, 5368), (2440, 5225), (2684, 4750), (2750, 4636), (3050, 4180), (3355, 3800)]