395909120

素因数分解:

$2^{11}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 1016018640

約数和(自身を除く): 620109520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 41, 46, 64, 80, 82, 92, 115, 128, 160, 164, 184, 205, 230, 256, 320, 328, 368, 410, 460, 512, 640, 656, 736, 820, 920, 943, 1024, 1280, 1312, 1472, 1640, 1681, 1840, 1886, 2048, 2560, 2624, 2944, 3280, 3362, 3680, 3772, 4715, 5120, 5248, 5888, 6560, 6724, 7360, 7544, 8405, 9430, 10240, 10496, 11776, 13120, 13448, 14720, 15088, 16810, 18860, 20992, 23552, 26240, 26896, 29440, 30176, 33620, 37720, 38663, 41984, 47104, 52480, 53792, 58880, 60352, 67240, 75440, 77326, 83968, 104960, 107584, 117760, 120704, 134480, 150880, 154652, 193315, 209920, 215168, 235520, 241408, 268960, 301760, 309304, 386630, 419840, 430336, 482816, 537920, 603520, 618608, 773260, 860672, 965632, 1075840, 1207040, 1237216, 1546520, 1721344, 1931264, 2151680, 2414080, 2474432, 3093040, 3442688, 4303360, 4828160, 4948864, 6186080, 8606720, 9656320, 9897728, 12372160, 17213440, 19795456, 24744320, 39590912, 49488640, 79181824, 98977280, 197954560, 395909120]

約数ペア:

[(1, 395909120), (2, 197954560), (4, 98977280), (5, 79181824), (8, 49488640), (10, 39590912), (16, 24744320), (20, 19795456), (23, 17213440), (32, 12372160), (40, 9897728), (41, 9656320), (46, 8606720), (64, 6186080), (80, 4948864), (82, 4828160), (92, 4303360), (115, 3442688), (128, 3093040), (160, 2474432), (164, 2414080), (184, 2151680), (205, 1931264), (230, 1721344), (256, 1546520), (320, 1237216), (328, 1207040), (368, 1075840), (410, 965632), (460, 860672), (512, 773260), (640, 618608), (656, 603520), (736, 537920), (820, 482816), (920, 430336), (943, 419840), (1024, 386630), (1280, 309304), (1312, 301760), (1472, 268960), (1640, 241408), (1681, 235520), (1840, 215168), (1886, 209920), (2048, 193315), (2560, 154652), (2624, 150880), (2944, 134480), (3280, 120704), (3362, 117760), (3680, 107584), (3772, 104960), (4715, 83968), (5120, 77326), (5248, 75440), (5888, 67240), (6560, 60352), (6724, 58880), (7360, 53792), (7544, 52480), (8405, 47104), (9430, 41984), (10240, 38663), (10496, 37720), (11776, 33620), (13120, 30176), (13448, 29440), (14720, 26896), (15088, 26240), (16810, 23552), (18860, 20992)]