28247200

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 76495104

約数和(自身を除く): 48247904

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 62, 67, 68, 80, 85, 100, 124, 134, 136, 155, 160, 170, 200, 248, 268, 272, 310, 335, 340, 400, 425, 496, 527, 536, 544, 620, 670, 680, 775, 800, 850, 992, 1054, 1072, 1139, 1240, 1340, 1360, 1550, 1675, 1700, 2077, 2108, 2144, 2278, 2480, 2635, 2680, 2720, 3100, 3350, 3400, 4154, 4216, 4556, 4960, 5270, 5360, 5695, 6200, 6700, 6800, 8308, 8432, 9112, 10385, 10540, 10720, 11390, 12400, 13175, 13400, 13600, 16616, 16864, 18224, 20770, 21080, 22780, 24800, 26350, 26800, 28475, 33232, 35309, 36448, 41540, 42160, 45560, 51925, 52700, 53600, 56950, 66464, 70618, 83080, 84320, 91120, 103850, 105400, 113900, 141236, 166160, 176545, 182240, 207700, 210800, 227800, 282472, 332320, 353090, 415400, 421600, 455600, 564944, 706180, 830800, 882725, 911200, 1129888, 1412360, 1661600, 1765450, 2824720, 3530900, 5649440, 7061800, 14123600, 28247200]

約数ペア:

[(1, 28247200), (2, 14123600), (4, 7061800), (5, 5649440), (8, 3530900), (10, 2824720), (16, 1765450), (17, 1661600), (20, 1412360), (25, 1129888), (31, 911200), (32, 882725), (34, 830800), (40, 706180), (50, 564944), (62, 455600), (67, 421600), (68, 415400), (80, 353090), (85, 332320), (100, 282472), (124, 227800), (134, 210800), (136, 207700), (155, 182240), (160, 176545), (170, 166160), (200, 141236), (248, 113900), (268, 105400), (272, 103850), (310, 91120), (335, 84320), (340, 83080), (400, 70618), (425, 66464), (496, 56950), (527, 53600), (536, 52700), (544, 51925), (620, 45560), (670, 42160), (680, 41540), (775, 36448), (800, 35309), (850, 33232), (992, 28475), (1054, 26800), (1072, 26350), (1139, 24800), (1240, 22780), (1340, 21080), (1360, 20770), (1550, 18224), (1675, 16864), (1700, 16616), (2077, 13600), (2108, 13400), (2144, 13175), (2278, 12400), (2480, 11390), (2635, 10720), (2680, 10540), (2720, 10385), (3100, 9112), (3350, 8432), (3400, 8308), (4154, 6800), (4216, 6700), (4556, 6200), (4960, 5695), (5270, 5360)]