2077779865

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 3394068480

約数和(自身を除く): 1316288615

約数列:

[1, 5, 7, 17, 19, 23, 35, 61, 85, 95, 115, 119, 131, 133, 161, 305, 323, 391, 427, 437, 595, 655, 665, 805, 917, 1037, 1159, 1403, 1615, 1955, 2135, 2185, 2227, 2261, 2489, 2737, 3013, 3059, 4585, 5185, 5795, 7015, 7259, 7429, 7991, 8113, 9821, 11135, 11305, 12445, 13685, 15065, 15295, 15589, 17423, 19703, 21091, 23851, 26657, 36295, 37145, 39955, 40565, 42313, 49105, 51221, 52003, 55937, 57247, 77945, 87115, 98515, 105455, 119255, 133285, 135847, 137921, 151829, 166957, 183793, 186599, 211565, 256105, 260015, 279685, 286235, 296191, 358547, 400729, 453169, 679235, 689605, 759145, 834785, 918965, 932995, 950929, 973199, 1062803, 1286551, 1480955, 1792735, 2003645, 2265845, 2581093, 3124481, 3172183, 3492067, 4754645, 4865995, 5314015, 6432755, 6812393, 12905465, 15622405, 15860915, 17460335, 18067651, 21871367, 24444469, 34061965, 59365139, 90338255, 109356835, 122222345, 296825695, 415555973, 2077779865]

約数ペア:

[(1, 2077779865), (5, 415555973), (7, 296825695), (17, 122222345), (19, 109356835), (23, 90338255), (35, 59365139), (61, 34061965), (85, 24444469), (95, 21871367), (115, 18067651), (119, 17460335), (131, 15860915), (133, 15622405), (161, 12905465), (305, 6812393), (323, 6432755), (391, 5314015), (427, 4865995), (437, 4754645), (595, 3492067), (655, 3172183), (665, 3124481), (805, 2581093), (917, 2265845), (1037, 2003645), (1159, 1792735), (1403, 1480955), (1615, 1286551), (1955, 1062803), (2135, 973199), (2185, 950929), (2227, 932995), (2261, 918965), (2489, 834785), (2737, 759145), (3013, 689605), (3059, 679235), (4585, 453169), (5185, 400729), (5795, 358547), (7015, 296191), (7259, 286235), (7429, 279685), (7991, 260015), (8113, 256105), (9821, 211565), (11135, 186599), (11305, 183793), (12445, 166957), (13685, 151829), (15065, 137921), (15295, 135847), (15589, 133285), (17423, 119255), (19703, 105455), (21091, 98515), (23851, 87115), (26657, 77945), (36295, 57247), (37145, 55937), (39955, 52003), (40565, 51221), (42313, 49105)]