238520793040

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{513257}}^1$

素因数の和:513464

約数の個数: 80

約数和(自身を含む): 573177791952

約数和(自身を除く): 334656998912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 157, 185, 296, 314, 370, 592, 628, 740, 785, 1256, 1480, 1570, 2512, 2960, 3140, 5809, 6280, 11618, 12560, 23236, 29045, 46472, 58090, 92944, 116180, 232360, 464720, 513257, 1026514, 2053028, 2566285, 4106056, 5132570, 8212112, 10265140, 18990509, 20530280, 37981018, 41060560, 75962036, 80581349, 94952545, 151924072, 161162698, 189905090, 303848144, 322325396, 379810180, 402906745, 644650792, 759620360, 805813490, 1289301584, 1519240720, 1611626980, 2981509913, 3223253960, 5963019826, 6446507920, 11926039652, 14907549565, 23852079304, 29815099130, 47704158608, 59630198260, 119260396520, 238520793040]

約数ペア:

[(1, 238520793040), (2, 119260396520), (4, 59630198260), (5, 47704158608), (8, 29815099130), (10, 23852079304), (16, 14907549565), (20, 11926039652), (37, 6446507920), (40, 5963019826), (74, 3223253960), (80, 2981509913), (148, 1611626980), (157, 1519240720), (185, 1289301584), (296, 805813490), (314, 759620360), (370, 644650792), (592, 402906745), (628, 379810180), (740, 322325396), (785, 303848144), (1256, 189905090), (1480, 161162698), (1570, 151924072), (2512, 94952545), (2960, 80581349), (3140, 75962036), (5809, 41060560), (6280, 37981018), (11618, 20530280), (12560, 18990509), (23236, 10265140), (29045, 8212112), (46472, 5132570), (58090, 4106056), (92944, 2566285), (116180, 2053028), (232360, 1026514), (464720, 513257)]