2788500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2$

素因数の和:59

約数の個数: 144

約数和(自身を含む): 9592128

約数和(自身を除く): 6803628

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 25, 26, 30, 33, 39, 44, 50, 52, 55, 60, 65, 66, 75, 78, 100, 110, 125, 130, 132, 143, 150, 156, 165, 169, 195, 220, 250, 260, 275, 286, 300, 325, 330, 338, 375, 390, 429, 500, 507, 550, 572, 650, 660, 676, 715, 750, 780, 825, 845, 858, 975, 1014, 1100, 1300, 1375, 1430, 1500, 1625, 1650, 1690, 1716, 1859, 1950, 2028, 2145, 2535, 2750, 2860, 3250, 3300, 3380, 3575, 3718, 3900, 4125, 4225, 4290, 4875, 5070, 5500, 5577, 6500, 7150, 7436, 8250, 8450, 8580, 9295, 9750, 10140, 10725, 11154, 12675, 14300, 16500, 16900, 17875, 18590, 19500, 21125, 21450, 22308, 25350, 27885, 35750, 37180, 42250, 42900, 46475, 50700, 53625, 55770, 63375, 71500, 84500, 92950, 107250, 111540, 126750, 139425, 185900, 214500, 232375, 253500, 278850, 464750, 557700, 697125, 929500, 1394250, 2788500]

約数ペア:

[(1, 2788500), (2, 1394250), (3, 929500), (4, 697125), (5, 557700), (6, 464750), (10, 278850), (11, 253500), (12, 232375), (13, 214500), (15, 185900), (20, 139425), (22, 126750), (25, 111540), (26, 107250), (30, 92950), (33, 84500), (39, 71500), (44, 63375), (50, 55770), (52, 53625), (55, 50700), (60, 46475), (65, 42900), (66, 42250), (75, 37180), (78, 35750), (100, 27885), (110, 25350), (125, 22308), (130, 21450), (132, 21125), (143, 19500), (150, 18590), (156, 17875), (165, 16900), (169, 16500), (195, 14300), (220, 12675), (250, 11154), (260, 10725), (275, 10140), (286, 9750), (300, 9295), (325, 8580), (330, 8450), (338, 8250), (375, 7436), (390, 7150), (429, 6500), (500, 5577), (507, 5500), (550, 5070), (572, 4875), (650, 4290), (660, 4225), (676, 4125), (715, 3900), (750, 3718), (780, 3575), (825, 3380), (845, 3300), (858, 3250), (975, 2860), (1014, 2750), (1100, 2535), (1300, 2145), (1375, 2028), (1430, 1950), (1500, 1859), (1625, 1716), (1650, 1690)]