493032520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{9137}}^1$

素因数の和:9238

約数の個数: 64

約数和(自身を含む): 1184284800

約数和(自身を除く): 691252280

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, 1349, 1420, 2698, 2840, 5396, 6745, 9137, 10792, 13490, 18274, 26980, 36548, 45685, 53960, 73096, 91370, 173603, 182740, 347206, 365480, 648727, 694412, 868015, 1297454, 1388824, 1736030, 2594908, 3243635, 3472060, 5189816, 6487270, 6944120, 12325813, 12974540, 24651626, 25949080, 49303252, 61629065, 98606504, 123258130, 246516260, 493032520]

約数ペア:

[(1, 493032520), (2, 246516260), (4, 123258130), (5, 98606504), (8, 61629065), (10, 49303252), (19, 25949080), (20, 24651626), (38, 12974540), (40, 12325813), (71, 6944120), (76, 6487270), (95, 5189816), (142, 3472060), (152, 3243635), (190, 2594908), (284, 1736030), (355, 1388824), (380, 1297454), (568, 868015), (710, 694412), (760, 648727), (1349, 365480), (1420, 347206), (2698, 182740), (2840, 173603), (5396, 91370), (6745, 73096), (9137, 53960), (10792, 45685), (13490, 36548), (18274, 26980)]