399977760

素因数分解:

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

素因数の和:9195

約数の個数: 192

約数和(自身を含む): 1550852352

約数和(自身を除く): 1150874592

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1365, 1456, 1560, 1680, 1820, 2080, 2184, 2730, 2912, 3120, 3360, 3640, 4368, 5460, 6240, 7280, 8736, 9157, 10920, 14560, 18314, 21840, 27471, 36628, 43680, 45785, 54942, 64099, 73256, 91570, 109884, 119041, 128198, 137355, 146512, 183140, 192297, 219768, 238082, 256396, 274710, 293024, 320495, 357123, 366280, 384594, 439536, 476164, 512792, 549420, 595205, 640990, 714246, 732560, 769188, 833287, 879072, 952328, 961485, 1025584, 1098840, 1190410, 1281980, 1428492, 1465120, 1538376, 1666574, 1785615, 1904656, 1922970, 2051168, 2197680, 2380820, 2499861, 2563960, 2856984, 3076752, 3333148, 3571230, 3809312, 3845940, 4166435, 4395360, 4761640, 4999722, 5127920, 5713968, 6153504, 6666296, 7142460, 7691880, 8332870, 9523280, 9999444, 10255840, 11427936, 12499305, 13332592, 14284920, 15383760, 16665740, 19046560, 19998888, 24998610, 26665184, 28569840, 30767520, 33331480, 39997776, 49997220, 57139680, 66662960, 79995552, 99994440, 133325920, 199988880, 399977760]

約数ペア:

[(1, 399977760), (2, 199988880), (3, 133325920), (4, 99994440), (5, 79995552), (6, 66662960), (7, 57139680), (8, 49997220), (10, 39997776), (12, 33331480), (13, 30767520), (14, 28569840), (15, 26665184), (16, 24998610), (20, 19998888), (21, 19046560), (24, 16665740), (26, 15383760), (28, 14284920), (30, 13332592), (32, 12499305), (35, 11427936), (39, 10255840), (40, 9999444), (42, 9523280), (48, 8332870), (52, 7691880), (56, 7142460), (60, 6666296), (65, 6153504), (70, 5713968), (78, 5127920), (80, 4999722), (84, 4761640), (91, 4395360), (96, 4166435), (104, 3845940), (105, 3809312), (112, 3571230), (120, 3333148), (130, 3076752), (140, 2856984), (156, 2563960), (160, 2499861), (168, 2380820), (182, 2197680), (195, 2051168), (208, 1922970), (210, 1904656), (224, 1785615), (240, 1666574), (260, 1538376), (273, 1465120), (280, 1428492), (312, 1281980), (336, 1190410), (364, 1098840), (390, 1025584), (416, 961485), (420, 952328), (455, 879072), (480, 833287), (520, 769188), (546, 732560), (560, 714246), (624, 640990), (672, 595205), (728, 549420), (780, 512792), (840, 476164), (910, 439536), (1040, 384594), (1092, 366280), (1120, 357123), (1248, 320495), (1365, 293024), (1456, 274710), (1560, 256396), (1680, 238082), (1820, 219768), (2080, 192297), (2184, 183140), (2730, 146512), (2912, 137355), (3120, 128198), (3360, 119041), (3640, 109884), (4368, 91570), (5460, 73256), (6240, 64099), (7280, 54942), (8736, 45785), (9157, 43680), (10920, 36628), (14560, 27471), (18314, 21840)]