28645500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 91125216

約数和(自身を除く): 62479716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 113, 125, 130, 150, 156, 169, 195, 226, 250, 260, 300, 325, 338, 339, 375, 390, 452, 500, 507, 565, 650, 676, 678, 750, 780, 845, 975, 1014, 1130, 1300, 1356, 1469, 1500, 1625, 1690, 1695, 1950, 2028, 2260, 2535, 2825, 2938, 3250, 3380, 3390, 3900, 4225, 4407, 4875, 5070, 5650, 5876, 6500, 6780, 7345, 8450, 8475, 8814, 9750, 10140, 11300, 12675, 14125, 14690, 16900, 16950, 17628, 19097, 19500, 21125, 22035, 25350, 28250, 29380, 33900, 36725, 38194, 42250, 42375, 44070, 50700, 56500, 57291, 63375, 73450, 76388, 84500, 84750, 88140, 95485, 110175, 114582, 126750, 146900, 169500, 183625, 190970, 220350, 229164, 253500, 286455, 367250, 381940, 440700, 477425, 550875, 572910, 734500, 954850, 1101750, 1145820, 1432275, 1909700, 2203500, 2387125, 2864550, 4774250, 5729100, 7161375, 9548500, 14322750, 28645500]

約数ペア:

[(1, 28645500), (2, 14322750), (3, 9548500), (4, 7161375), (5, 5729100), (6, 4774250), (10, 2864550), (12, 2387125), (13, 2203500), (15, 1909700), (20, 1432275), (25, 1145820), (26, 1101750), (30, 954850), (39, 734500), (50, 572910), (52, 550875), (60, 477425), (65, 440700), (75, 381940), (78, 367250), (100, 286455), (113, 253500), (125, 229164), (130, 220350), (150, 190970), (156, 183625), (169, 169500), (195, 146900), (226, 126750), (250, 114582), (260, 110175), (300, 95485), (325, 88140), (338, 84750), (339, 84500), (375, 76388), (390, 73450), (452, 63375), (500, 57291), (507, 56500), (565, 50700), (650, 44070), (676, 42375), (678, 42250), (750, 38194), (780, 36725), (845, 33900), (975, 29380), (1014, 28250), (1130, 25350), (1300, 22035), (1356, 21125), (1469, 19500), (1500, 19097), (1625, 17628), (1690, 16950), (1695, 16900), (1950, 14690), (2028, 14125), (2260, 12675), (2535, 11300), (2825, 10140), (2938, 9750), (3250, 8814), (3380, 8475), (3390, 8450), (3900, 7345), (4225, 6780), (4407, 6500), (4875, 5876), (5070, 5650)]