138767780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 317011968

約数和(自身を除く): 178244188

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 53, 62, 82, 103, 106, 124, 155, 164, 205, 206, 212, 265, 310, 410, 412, 515, 530, 620, 820, 1030, 1060, 1271, 1643, 2060, 2173, 2542, 3193, 3286, 4223, 4346, 5084, 5459, 6355, 6386, 6572, 8215, 8446, 8692, 10865, 10918, 12710, 12772, 15965, 16430, 16892, 21115, 21730, 21836, 25420, 27295, 31930, 32860, 42230, 43460, 54590, 63860, 67363, 84460, 109180, 130913, 134726, 169229, 223819, 261826, 269452, 336815, 338458, 447638, 523652, 654565, 673630, 676916, 846145, 895276, 1119095, 1309130, 1347260, 1692290, 2238190, 2618260, 3384580, 4476380, 6938389, 13876778, 27753556, 34691945, 69383890, 138767780]

約数ペア:

[(1, 138767780), (2, 69383890), (4, 34691945), (5, 27753556), (10, 13876778), (20, 6938389), (31, 4476380), (41, 3384580), (53, 2618260), (62, 2238190), (82, 1692290), (103, 1347260), (106, 1309130), (124, 1119095), (155, 895276), (164, 846145), (205, 676916), (206, 673630), (212, 654565), (265, 523652), (310, 447638), (410, 338458), (412, 336815), (515, 269452), (530, 261826), (620, 223819), (820, 169229), (1030, 134726), (1060, 130913), (1271, 109180), (1643, 84460), (2060, 67363), (2173, 63860), (2542, 54590), (3193, 43460), (3286, 42230), (4223, 32860), (4346, 31930), (5084, 27295), (5459, 25420), (6355, 21836), (6386, 21730), (6572, 21115), (8215, 16892), (8446, 16430), (8692, 15965), (10865, 12772), (10918, 12710)]