28579830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 71884800

約数和(自身を除く): 43304970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 79, 93, 155, 158, 186, 237, 310, 389, 395, 465, 474, 778, 790, 930, 1167, 1185, 1945, 2334, 2370, 2449, 3890, 4898, 5835, 7347, 11670, 12059, 12245, 14694, 24118, 24490, 30731, 36177, 36735, 60295, 61462, 72354, 73470, 92193, 120590, 153655, 180885, 184386, 307310, 361770, 460965, 921930, 952661, 1905322, 2857983, 4763305, 5715966, 9526610, 14289915, 28579830]

約数ペア:

[(1, 28579830), (2, 14289915), (3, 9526610), (5, 5715966), (6, 4763305), (10, 2857983), (15, 1905322), (30, 952661), (31, 921930), (62, 460965), (79, 361770), (93, 307310), (155, 184386), (158, 180885), (186, 153655), (237, 120590), (310, 92193), (389, 73470), (395, 72354), (465, 61462), (474, 60295), (778, 36735), (790, 36177), (930, 30731), (1167, 24490), (1185, 24118), (1945, 14694), (2334, 12245), (2370, 12059), (2449, 11670), (3890, 7347), (4898, 5835)]