401256800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1013

約数の個数: 144

約数和(自身を含む): 1134927360

約数和(自身を除く): 733670560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 79, 80, 100, 112, 140, 158, 160, 175, 200, 224, 280, 316, 350, 395, 400, 553, 560, 632, 700, 790, 800, 907, 1106, 1120, 1264, 1400, 1580, 1814, 1975, 2212, 2528, 2765, 2800, 3160, 3628, 3950, 4424, 4535, 5530, 5600, 6320, 6349, 7256, 7900, 8848, 9070, 11060, 12640, 12698, 13825, 14512, 15800, 17696, 18140, 22120, 22675, 25396, 27650, 29024, 31600, 31745, 36280, 44240, 45350, 50792, 55300, 63200, 63490, 71653, 72560, 88480, 90700, 101584, 110600, 126980, 143306, 145120, 158725, 181400, 203168, 221200, 253960, 286612, 317450, 358265, 362800, 442400, 501571, 507920, 573224, 634900, 716530, 725600, 1003142, 1015840, 1146448, 1269800, 1433060, 1791325, 2006284, 2292896, 2507855, 2539600, 2866120, 3582650, 4012568, 5015710, 5079200, 5732240, 7165300, 8025136, 10031420, 11464480, 12539275, 14330600, 16050272, 20062840, 25078550, 28661200, 40125680, 50157100, 57322400, 80251360, 100314200, 200628400, 401256800]

約数ペア:

[(1, 401256800), (2, 200628400), (4, 100314200), (5, 80251360), (7, 57322400), (8, 50157100), (10, 40125680), (14, 28661200), (16, 25078550), (20, 20062840), (25, 16050272), (28, 14330600), (32, 12539275), (35, 11464480), (40, 10031420), (50, 8025136), (56, 7165300), (70, 5732240), (79, 5079200), (80, 5015710), (100, 4012568), (112, 3582650), (140, 2866120), (158, 2539600), (160, 2507855), (175, 2292896), (200, 2006284), (224, 1791325), (280, 1433060), (316, 1269800), (350, 1146448), (395, 1015840), (400, 1003142), (553, 725600), (560, 716530), (632, 634900), (700, 573224), (790, 507920), (800, 501571), (907, 442400), (1106, 362800), (1120, 358265), (1264, 317450), (1400, 286612), (1580, 253960), (1814, 221200), (1975, 203168), (2212, 181400), (2528, 158725), (2765, 145120), (2800, 143306), (3160, 126980), (3628, 110600), (3950, 101584), (4424, 90700), (4535, 88480), (5530, 72560), (5600, 71653), (6320, 63490), (6349, 63200), (7256, 55300), (7900, 50792), (8848, 45350), (9070, 44240), (11060, 36280), (12640, 31745), (12698, 31600), (13825, 29024), (14512, 27650), (15800, 25396), (17696, 22675), (18140, 22120)]