28957800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{167}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 95931360

約数和(自身を除く): 66973560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 25, 30, 34, 40, 50, 51, 60, 68, 75, 85, 100, 102, 120, 136, 150, 167, 170, 200, 204, 255, 289, 300, 334, 340, 408, 425, 501, 510, 578, 600, 668, 680, 835, 850, 867, 1002, 1020, 1156, 1275, 1336, 1445, 1670, 1700, 1734, 2004, 2040, 2312, 2505, 2550, 2839, 2890, 3340, 3400, 3468, 4008, 4175, 4335, 5010, 5100, 5678, 5780, 6680, 6936, 7225, 8350, 8517, 8670, 10020, 10200, 11356, 11560, 12525, 14195, 14450, 16700, 17034, 17340, 20040, 21675, 22712, 25050, 28390, 28900, 33400, 34068, 34680, 42585, 43350, 48263, 50100, 56780, 57800, 68136, 70975, 85170, 86700, 96526, 100200, 113560, 141950, 144789, 170340, 173400, 193052, 212925, 241315, 283900, 289578, 340680, 386104, 425850, 482630, 567800, 579156, 723945, 851700, 965260, 1158312, 1206575, 1447890, 1703400, 1930520, 2413150, 2895780, 3619725, 4826300, 5791560, 7239450, 9652600, 14478900, 28957800]

約数ペア:

[(1, 28957800), (2, 14478900), (3, 9652600), (4, 7239450), (5, 5791560), (6, 4826300), (8, 3619725), (10, 2895780), (12, 2413150), (15, 1930520), (17, 1703400), (20, 1447890), (24, 1206575), (25, 1158312), (30, 965260), (34, 851700), (40, 723945), (50, 579156), (51, 567800), (60, 482630), (68, 425850), (75, 386104), (85, 340680), (100, 289578), (102, 283900), (120, 241315), (136, 212925), (150, 193052), (167, 173400), (170, 170340), (200, 144789), (204, 141950), (255, 113560), (289, 100200), (300, 96526), (334, 86700), (340, 85170), (408, 70975), (425, 68136), (501, 57800), (510, 56780), (578, 50100), (600, 48263), (668, 43350), (680, 42585), (835, 34680), (850, 34068), (867, 33400), (1002, 28900), (1020, 28390), (1156, 25050), (1275, 22712), (1336, 21675), (1445, 20040), (1670, 17340), (1700, 17034), (1734, 16700), (2004, 14450), (2040, 14195), (2312, 12525), (2505, 11560), (2550, 11356), (2839, 10200), (2890, 10020), (3340, 8670), (3400, 8517), (3468, 8350), (4008, 7225), (4175, 6936), (4335, 6680), (5010, 5780), (5100, 5678)]