821941760

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^2\times {\mathrm{191}}^1$

素因数の和:296

約数の個数: 120

約数和(自身を含む): 2030548608

約数和(自身を除く): 1208606848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 191, 205, 256, 320, 328, 382, 410, 512, 640, 656, 764, 820, 955, 1280, 1312, 1528, 1640, 1681, 1910, 2560, 2624, 3056, 3280, 3362, 3820, 5248, 6112, 6560, 6724, 7640, 7831, 8405, 10496, 12224, 13120, 13448, 15280, 15662, 16810, 20992, 24448, 26240, 26896, 30560, 31324, 33620, 39155, 48896, 52480, 53792, 61120, 62648, 67240, 78310, 97792, 104960, 107584, 122240, 125296, 134480, 156620, 215168, 244480, 250592, 268960, 313240, 321071, 430336, 488960, 501184, 537920, 626480, 642142, 860672, 1002368, 1075840, 1252960, 1284284, 1605355, 2004736, 2151680, 2505920, 2568568, 3210710, 4009472, 4303360, 5011840, 5137136, 6421420, 10023680, 10274272, 12842840, 20047360, 20548544, 25685680, 41097088, 51371360, 82194176, 102742720, 164388352, 205485440, 410970880, 821941760]

約数ペア:

[(1, 821941760), (2, 410970880), (4, 205485440), (5, 164388352), (8, 102742720), (10, 82194176), (16, 51371360), (20, 41097088), (32, 25685680), (40, 20548544), (41, 20047360), (64, 12842840), (80, 10274272), (82, 10023680), (128, 6421420), (160, 5137136), (164, 5011840), (191, 4303360), (205, 4009472), (256, 3210710), (320, 2568568), (328, 2505920), (382, 2151680), (410, 2004736), (512, 1605355), (640, 1284284), (656, 1252960), (764, 1075840), (820, 1002368), (955, 860672), (1280, 642142), (1312, 626480), (1528, 537920), (1640, 501184), (1681, 488960), (1910, 430336), (2560, 321071), (2624, 313240), (3056, 268960), (3280, 250592), (3362, 244480), (3820, 215168), (5248, 156620), (6112, 134480), (6560, 125296), (6724, 122240), (7640, 107584), (7831, 104960), (8405, 97792), (10496, 78310), (12224, 67240), (13120, 62648), (13448, 61120), (15280, 53792), (15662, 52480), (16810, 48896), (20992, 39155), (24448, 33620), (26240, 31324), (26896, 30560)]