280720596

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{20219}}^1$

素因数の和:20328

約数の個数: 48

約数和(自身を含む): 713361600

約数和(自身を除く): 432641004

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 156, 178, 267, 356, 534, 1068, 1157, 2314, 3471, 4628, 6942, 13884, 20219, 40438, 60657, 80876, 121314, 242628, 262847, 525694, 788541, 1051388, 1577082, 1799491, 3154164, 3598982, 5398473, 7197964, 10796946, 21593892, 23393383, 46786766, 70180149, 93573532, 140360298, 280720596]

約数ペア:

[(1, 280720596), (2, 140360298), (3, 93573532), (4, 70180149), (6, 46786766), (12, 23393383), (13, 21593892), (26, 10796946), (39, 7197964), (52, 5398473), (78, 3598982), (89, 3154164), (156, 1799491), (178, 1577082), (267, 1051388), (356, 788541), (534, 525694), (1068, 262847), (1157, 242628), (2314, 121314), (3471, 80876), (4628, 60657), (6942, 40438), (13884, 20219)]