480978290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 956938752

約数和(自身を除く): 475960462

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 131, 262, 305, 463, 610, 655, 793, 926, 1310, 1586, 1703, 2315, 3406, 3965, 4630, 6019, 7930, 7991, 8515, 12038, 15982, 17030, 28243, 30095, 39955, 56486, 60190, 60653, 79910, 103883, 121306, 141215, 207766, 282430, 303265, 367159, 519415, 606530, 734318, 788489, 1038830, 1576978, 1835795, 3671590, 3699833, 3942445, 7399666, 7884890, 18499165, 36998330, 48097829, 96195658, 240489145, 480978290]

約数ペア:

[(1, 480978290), (2, 240489145), (5, 96195658), (10, 48097829), (13, 36998330), (26, 18499165), (61, 7884890), (65, 7399666), (122, 3942445), (130, 3699833), (131, 3671590), (262, 1835795), (305, 1576978), (463, 1038830), (610, 788489), (655, 734318), (793, 606530), (926, 519415), (1310, 367159), (1586, 303265), (1703, 282430), (2315, 207766), (3406, 141215), (3965, 121306), (4630, 103883), (6019, 79910), (7930, 60653), (7991, 60190), (8515, 56486), (12038, 39955), (15982, 30095), (17030, 28243)]