199988880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9157}}^1$

素因数の和:9193

約数の個数: 160

約数和(自身を含む): 763117824

約数和(自身を除く): 563128944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 9157, 10920, 18314, 21840, 27471, 36628, 45785, 54942, 64099, 73256, 91570, 109884, 119041, 128198, 137355, 146512, 183140, 192297, 219768, 238082, 256396, 274710, 320495, 357123, 366280, 384594, 439536, 476164, 512792, 549420, 595205, 640990, 714246, 732560, 769188, 833287, 952328, 961485, 1025584, 1098840, 1190410, 1281980, 1428492, 1538376, 1666574, 1785615, 1904656, 1922970, 2197680, 2380820, 2499861, 2563960, 2856984, 3076752, 3333148, 3571230, 3845940, 4166435, 4761640, 4999722, 5127920, 5713968, 6666296, 7142460, 7691880, 8332870, 9523280, 9999444, 12499305, 13332592, 14284920, 15383760, 16665740, 19998888, 24998610, 28569840, 33331480, 39997776, 49997220, 66662960, 99994440, 199988880]

約数ペア:

[(1, 199988880), (2, 99994440), (3, 66662960), (4, 49997220), (5, 39997776), (6, 33331480), (7, 28569840), (8, 24998610), (10, 19998888), (12, 16665740), (13, 15383760), (14, 14284920), (15, 13332592), (16, 12499305), (20, 9999444), (21, 9523280), (24, 8332870), (26, 7691880), (28, 7142460), (30, 6666296), (35, 5713968), (39, 5127920), (40, 4999722), (42, 4761640), (48, 4166435), (52, 3845940), (56, 3571230), (60, 3333148), (65, 3076752), (70, 2856984), (78, 2563960), (80, 2499861), (84, 2380820), (91, 2197680), (104, 1922970), (105, 1904656), (112, 1785615), (120, 1666574), (130, 1538376), (140, 1428492), (156, 1281980), (168, 1190410), (182, 1098840), (195, 1025584), (208, 961485), (210, 952328), (240, 833287), (260, 769188), (273, 732560), (280, 714246), (312, 640990), (336, 595205), (364, 549420), (390, 512792), (420, 476164), (455, 439536), (520, 384594), (546, 366280), (560, 357123), (624, 320495), (728, 274710), (780, 256396), (840, 238082), (910, 219768), (1040, 192297), (1092, 183140), (1365, 146512), (1456, 137355), (1560, 128198), (1680, 119041), (1820, 109884), (2184, 91570), (2730, 73256), (3120, 64099), (3640, 54942), (4368, 45785), (5460, 36628), (7280, 27471), (9157, 21840), (10920, 18314)]