851485180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2351}}^1$

素因数の和:2579

約数の個数: 96

約数和(自身を含む): 2212761600

約数和(自身を除く): 1361276420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 199, 260, 364, 398, 455, 796, 910, 995, 1393, 1820, 1990, 2351, 2587, 2786, 3980, 4702, 5174, 5572, 6965, 9404, 10348, 11755, 12935, 13930, 16457, 18109, 23510, 25870, 27860, 30563, 32914, 36218, 47020, 51740, 61126, 65828, 72436, 82285, 90545, 122252, 152815, 164570, 181090, 213941, 305630, 329140, 362180, 427882, 467849, 611260, 855764, 935698, 1069705, 1871396, 2139410, 2339245, 3274943, 4278820, 4678490, 6082037, 6549886, 9356980, 12164074, 13099772, 16374715, 24328148, 30410185, 32749430, 42574259, 60820370, 65498860, 85148518, 121640740, 170297036, 212871295, 425742590, 851485180]

約数ペア:

[(1, 851485180), (2, 425742590), (4, 212871295), (5, 170297036), (7, 121640740), (10, 85148518), (13, 65498860), (14, 60820370), (20, 42574259), (26, 32749430), (28, 30410185), (35, 24328148), (52, 16374715), (65, 13099772), (70, 12164074), (91, 9356980), (130, 6549886), (140, 6082037), (182, 4678490), (199, 4278820), (260, 3274943), (364, 2339245), (398, 2139410), (455, 1871396), (796, 1069705), (910, 935698), (995, 855764), (1393, 611260), (1820, 467849), (1990, 427882), (2351, 362180), (2587, 329140), (2786, 305630), (3980, 213941), (4702, 181090), (5174, 164570), (5572, 152815), (6965, 122252), (9404, 90545), (10348, 82285), (11755, 72436), (12935, 65828), (13930, 61126), (16457, 51740), (18109, 47020), (23510, 36218), (25870, 32914), (27860, 30563)]