401537920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1907}}^1$

素因数の和:1980

約数の個数: 128

約数和(自身を含む): 1120988160

約数和(自身を除く): 719450240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 160, 188, 224, 235, 280, 320, 329, 376, 448, 470, 560, 640, 658, 752, 896, 940, 1120, 1316, 1504, 1645, 1880, 1907, 2240, 2632, 3008, 3290, 3760, 3814, 4480, 5264, 6016, 6580, 7520, 7628, 9535, 10528, 13160, 13349, 15040, 15256, 19070, 21056, 26320, 26698, 30080, 30512, 38140, 42112, 52640, 53396, 61024, 66745, 76280, 89629, 105280, 106792, 122048, 133490, 152560, 179258, 210560, 213584, 244096, 266980, 305120, 358516, 427168, 448145, 533960, 610240, 627403, 717032, 854336, 896290, 1067920, 1220480, 1254806, 1434064, 1708672, 1792580, 2135840, 2509612, 2868128, 3137015, 3585160, 4271680, 5019224, 5736256, 6274030, 7170320, 8543360, 10038448, 11472512, 12548060, 14340640, 20076896, 25096120, 28681280, 40153792, 50192240, 57362560, 80307584, 100384480, 200768960, 401537920]

約数ペア:

[(1, 401537920), (2, 200768960), (4, 100384480), (5, 80307584), (7, 57362560), (8, 50192240), (10, 40153792), (14, 28681280), (16, 25096120), (20, 20076896), (28, 14340640), (32, 12548060), (35, 11472512), (40, 10038448), (47, 8543360), (56, 7170320), (64, 6274030), (70, 5736256), (80, 5019224), (94, 4271680), (112, 3585160), (128, 3137015), (140, 2868128), (160, 2509612), (188, 2135840), (224, 1792580), (235, 1708672), (280, 1434064), (320, 1254806), (329, 1220480), (376, 1067920), (448, 896290), (470, 854336), (560, 717032), (640, 627403), (658, 610240), (752, 533960), (896, 448145), (940, 427168), (1120, 358516), (1316, 305120), (1504, 266980), (1645, 244096), (1880, 213584), (1907, 210560), (2240, 179258), (2632, 152560), (3008, 133490), (3290, 122048), (3760, 106792), (3814, 105280), (4480, 89629), (5264, 76280), (6016, 66745), (6580, 61024), (7520, 53396), (7628, 52640), (9535, 42112), (10528, 38140), (13160, 30512), (13349, 30080), (15040, 26698), (15256, 26320), (19070, 21056)]