289552970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 659957760

約数和(自身を除く): 370404790

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 43, 61, 70, 83, 86, 95, 122, 133, 166, 190, 215, 266, 301, 305, 415, 427, 430, 581, 602, 610, 665, 817, 830, 854, 1159, 1162, 1330, 1505, 1577, 1634, 2135, 2318, 2623, 2905, 3010, 3154, 3569, 4085, 4270, 5063, 5246, 5719, 5795, 5810, 7138, 7885, 8113, 8170, 10126, 11039, 11438, 11590, 13115, 15770, 16226, 17845, 18361, 22078, 24983, 25315, 26230, 28595, 35441, 35690, 36722, 40565, 49837, 49966, 50630, 55195, 57190, 67811, 70882, 81130, 91805, 96197, 99674, 110390, 124915, 135622, 177205, 183610, 192394, 217709, 249185, 249830, 339055, 348859, 354410, 435418, 474677, 480985, 498370, 673379, 678110, 697718, 949354, 961970, 1088545, 1346758, 1523963, 1744295, 2177090, 2373385, 3047926, 3366895, 3488590, 4136471, 4746770, 6733790, 7619815, 8272942, 15239630, 20682355, 28955297, 41364710, 57910594, 144776485, 289552970]

約数ペア:

[(1, 289552970), (2, 144776485), (5, 57910594), (7, 41364710), (10, 28955297), (14, 20682355), (19, 15239630), (35, 8272942), (38, 7619815), (43, 6733790), (61, 4746770), (70, 4136471), (83, 3488590), (86, 3366895), (95, 3047926), (122, 2373385), (133, 2177090), (166, 1744295), (190, 1523963), (215, 1346758), (266, 1088545), (301, 961970), (305, 949354), (415, 697718), (427, 678110), (430, 673379), (581, 498370), (602, 480985), (610, 474677), (665, 435418), (817, 354410), (830, 348859), (854, 339055), (1159, 249830), (1162, 249185), (1330, 217709), (1505, 192394), (1577, 183610), (1634, 177205), (2135, 135622), (2318, 124915), (2623, 110390), (2905, 99674), (3010, 96197), (3154, 91805), (3569, 81130), (4085, 70882), (4270, 67811), (5063, 57190), (5246, 55195), (5719, 50630), (5795, 49966), (5810, 49837), (7138, 40565), (7885, 36722), (8113, 35690), (8170, 35441), (10126, 28595), (11039, 26230), (11438, 25315), (11590, 24983), (13115, 22078), (15770, 18361), (16226, 17845)]