49157560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 118195200

約数和(自身を除く): 69037640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 911, 1349, 1420, 1822, 2698, 2840, 3644, 4555, 5396, 6745, 7288, 9110, 10792, 13490, 17309, 18220, 26980, 34618, 36440, 53960, 64681, 69236, 86545, 129362, 138472, 173090, 258724, 323405, 346180, 517448, 646810, 692360, 1228939, 1293620, 2457878, 2587240, 4915756, 6144695, 9831512, 12289390, 24578780, 49157560]

約数ペア:

[(1, 49157560), (2, 24578780), (4, 12289390), (5, 9831512), (8, 6144695), (10, 4915756), (19, 2587240), (20, 2457878), (38, 1293620), (40, 1228939), (71, 692360), (76, 646810), (95, 517448), (142, 346180), (152, 323405), (190, 258724), (284, 173090), (355, 138472), (380, 129362), (568, 86545), (710, 69236), (760, 64681), (911, 53960), (1349, 36440), (1420, 34618), (1822, 26980), (2698, 18220), (2840, 17309), (3644, 13490), (4555, 10792), (5396, 9110), (6745, 7288)]