401023728

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20939}}^1$

素因数の和:20979

約数の個数: 120

約数和(自身を含む): 1350211200

約数和(自身を除く): 949187472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 112, 114, 126, 133, 144, 152, 168, 171, 228, 252, 266, 304, 336, 342, 399, 456, 504, 532, 684, 798, 912, 1008, 1064, 1197, 1368, 1596, 2128, 2394, 2736, 3192, 4788, 6384, 9576, 19152, 20939, 41878, 62817, 83756, 125634, 146573, 167512, 188451, 251268, 293146, 335024, 376902, 397841, 439719, 502536, 586292, 753804, 795682, 879438, 1005072, 1172584, 1193523, 1319157, 1507608, 1591364, 1758876, 2345168, 2387046, 2638314, 2784887, 3015216, 3182728, 3517752, 3580569, 4774092, 5276628, 5569774, 6365456, 7035504, 7161138, 8354661, 9548184, 10553256, 11139548, 14322276, 16709322, 19096368, 21106512, 22279096, 25063983, 28644552, 33418644, 44558192, 50127966, 57289104, 66837288, 100255932, 133674576, 200511864, 401023728]

約数ペア:

[(1, 401023728), (2, 200511864), (3, 133674576), (4, 100255932), (6, 66837288), (7, 57289104), (8, 50127966), (9, 44558192), (12, 33418644), (14, 28644552), (16, 25063983), (18, 22279096), (19, 21106512), (21, 19096368), (24, 16709322), (28, 14322276), (36, 11139548), (38, 10553256), (42, 9548184), (48, 8354661), (56, 7161138), (57, 7035504), (63, 6365456), (72, 5569774), (76, 5276628), (84, 4774092), (112, 3580569), (114, 3517752), (126, 3182728), (133, 3015216), (144, 2784887), (152, 2638314), (168, 2387046), (171, 2345168), (228, 1758876), (252, 1591364), (266, 1507608), (304, 1319157), (336, 1193523), (342, 1172584), (399, 1005072), (456, 879438), (504, 795682), (532, 753804), (684, 586292), (798, 502536), (912, 439719), (1008, 397841), (1064, 376902), (1197, 335024), (1368, 293146), (1596, 251268), (2128, 188451), (2394, 167512), (2736, 146573), (3192, 125634), (4788, 83756), (6384, 62817), (9576, 41878), (19152, 20939)]