1289569000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2447}}^1$

素因数の和:2516

約数の個数: 128

約数和(自身を含む): 3299512320

約数和(自身を除く): 2009943320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 31, 34, 40, 50, 62, 68, 85, 100, 124, 125, 136, 155, 170, 200, 248, 250, 310, 340, 425, 500, 527, 620, 680, 775, 850, 1000, 1054, 1240, 1550, 1700, 2108, 2125, 2447, 2635, 3100, 3400, 3875, 4216, 4250, 4894, 5270, 6200, 7750, 8500, 9788, 10540, 12235, 13175, 15500, 17000, 19576, 21080, 24470, 26350, 31000, 41599, 48940, 52700, 61175, 65875, 75857, 83198, 97880, 105400, 122350, 131750, 151714, 166396, 207995, 244700, 263500, 303428, 305875, 332792, 379285, 415990, 489400, 527000, 606856, 611750, 758570, 831980, 1039975, 1223500, 1289569, 1517140, 1663960, 1896425, 2079950, 2447000, 2579138, 3034280, 3792850, 4159900, 5158276, 5199875, 6447845, 7585700, 8319800, 9482125, 10316552, 10399750, 12895690, 15171400, 18964250, 20799500, 25791380, 32239225, 37928500, 41599000, 51582760, 64478450, 75857000, 128956900, 161196125, 257913800, 322392250, 644784500, 1289569000]

約数ペア:

[(1, 1289569000), (2, 644784500), (4, 322392250), (5, 257913800), (8, 161196125), (10, 128956900), (17, 75857000), (20, 64478450), (25, 51582760), (31, 41599000), (34, 37928500), (40, 32239225), (50, 25791380), (62, 20799500), (68, 18964250), (85, 15171400), (100, 12895690), (124, 10399750), (125, 10316552), (136, 9482125), (155, 8319800), (170, 7585700), (200, 6447845), (248, 5199875), (250, 5158276), (310, 4159900), (340, 3792850), (425, 3034280), (500, 2579138), (527, 2447000), (620, 2079950), (680, 1896425), (775, 1663960), (850, 1517140), (1000, 1289569), (1054, 1223500), (1240, 1039975), (1550, 831980), (1700, 758570), (2108, 611750), (2125, 606856), (2447, 527000), (2635, 489400), (3100, 415990), (3400, 379285), (3875, 332792), (4216, 305875), (4250, 303428), (4894, 263500), (5270, 244700), (6200, 207995), (7750, 166396), (8500, 151714), (9788, 131750), (10540, 122350), (12235, 105400), (13175, 97880), (15500, 83198), (17000, 75857), (19576, 65875), (21080, 61175), (24470, 52700), (26350, 48940), (31000, 41599)]