788254520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{617}}^1$

素因数の和:729

約数の個数: 96

約数和(自身を含む): 1916665200

約数和(自身を除く): 1128410680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 617, 760, 779, 820, 1234, 1558, 1640, 1681, 2468, 3085, 3116, 3362, 3895, 4936, 6170, 6232, 6724, 7790, 8405, 11723, 12340, 13448, 15580, 16810, 23446, 24680, 25297, 31160, 31939, 33620, 46892, 50594, 58615, 63878, 67240, 93784, 101188, 117230, 126485, 127756, 159695, 202376, 234460, 252970, 255512, 319390, 468920, 480643, 505940, 638780, 961286, 1011880, 1037177, 1277560, 1922572, 2074354, 2403215, 3845144, 4148708, 4806430, 5185885, 8297416, 9612860, 10371770, 19225720, 19706363, 20743540, 39412726, 41487080, 78825452, 98531815, 157650904, 197063630, 394127260, 788254520]

約数ペア:

[(1, 788254520), (2, 394127260), (4, 197063630), (5, 157650904), (8, 98531815), (10, 78825452), (19, 41487080), (20, 39412726), (38, 20743540), (40, 19706363), (41, 19225720), (76, 10371770), (82, 9612860), (95, 8297416), (152, 5185885), (164, 4806430), (190, 4148708), (205, 3845144), (328, 2403215), (380, 2074354), (410, 1922572), (617, 1277560), (760, 1037177), (779, 1011880), (820, 961286), (1234, 638780), (1558, 505940), (1640, 480643), (1681, 468920), (2468, 319390), (3085, 255512), (3116, 252970), (3362, 234460), (3895, 202376), (4936, 159695), (6170, 127756), (6232, 126485), (6724, 117230), (7790, 101188), (8405, 93784), (11723, 67240), (12340, 63878), (13448, 58615), (15580, 50594), (16810, 46892), (23446, 33620), (24680, 31939), (25297, 31160)]