223358720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:498

約数の個数: 144

約数和(自身を含む): 596128512

約数和(自身を除く): 372769792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 433, 496, 520, 620, 640, 806, 832, 866, 992, 1040, 1240, 1280, 1612, 1664, 1732, 1984, 2015, 2080, 2165, 2480, 3224, 3328, 3464, 3968, 4030, 4160, 4330, 4960, 5629, 6448, 6928, 7936, 8060, 8320, 8660, 9920, 11258, 12896, 13423, 13856, 16120, 16640, 17320, 19840, 22516, 25792, 26846, 27712, 28145, 32240, 34640, 39680, 45032, 51584, 53692, 55424, 56290, 64480, 67115, 69280, 90064, 103168, 107384, 110848, 112580, 128960, 134230, 138560, 174499, 180128, 214768, 225160, 257920, 268460, 277120, 348998, 360256, 429536, 450320, 515840, 536920, 554240, 697996, 720512, 859072, 872495, 900640, 1073840, 1395992, 1441024, 1718144, 1744990, 1801280, 2147680, 2791984, 3436288, 3489980, 3602560, 4295360, 5583968, 6979960, 7205120, 8590720, 11167936, 13959920, 17181440, 22335872, 27919840, 44671744, 55839680, 111679360, 223358720]

約数ペア:

[(1, 223358720), (2, 111679360), (4, 55839680), (5, 44671744), (8, 27919840), (10, 22335872), (13, 17181440), (16, 13959920), (20, 11167936), (26, 8590720), (31, 7205120), (32, 6979960), (40, 5583968), (52, 4295360), (62, 3602560), (64, 3489980), (65, 3436288), (80, 2791984), (104, 2147680), (124, 1801280), (128, 1744990), (130, 1718144), (155, 1441024), (160, 1395992), (208, 1073840), (248, 900640), (256, 872495), (260, 859072), (310, 720512), (320, 697996), (403, 554240), (416, 536920), (433, 515840), (496, 450320), (520, 429536), (620, 360256), (640, 348998), (806, 277120), (832, 268460), (866, 257920), (992, 225160), (1040, 214768), (1240, 180128), (1280, 174499), (1612, 138560), (1664, 134230), (1732, 128960), (1984, 112580), (2015, 110848), (2080, 107384), (2165, 103168), (2480, 90064), (3224, 69280), (3328, 67115), (3464, 64480), (3968, 56290), (4030, 55424), (4160, 53692), (4330, 51584), (4960, 45032), (5629, 39680), (6448, 34640), (6928, 32240), (7936, 28145), (8060, 27712), (8320, 26846), (8660, 25792), (9920, 22516), (11258, 19840), (12896, 17320), (13423, 16640), (13856, 16120)]