208566760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 517570560

約数和(自身を除く): 309003800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 71, 92, 103, 115, 124, 142, 155, 184, 206, 230, 248, 284, 310, 355, 412, 460, 515, 568, 620, 710, 713, 824, 920, 1030, 1240, 1420, 1426, 1633, 2060, 2201, 2369, 2840, 2852, 3193, 3266, 3565, 4120, 4402, 4738, 5704, 6386, 6532, 7130, 7313, 8165, 8804, 9476, 11005, 11845, 12772, 13064, 14260, 14626, 15965, 16330, 17608, 18952, 22010, 23690, 25544, 28520, 29252, 31930, 32660, 36565, 44020, 47380, 50623, 58504, 63860, 65320, 73130, 73439, 88040, 94760, 101246, 127720, 146260, 146878, 168199, 202492, 226703, 253115, 292520, 293756, 336398, 367195, 404984, 453406, 506230, 587512, 672796, 734390, 840995, 906812, 1012460, 1133515, 1345592, 1468780, 1681990, 1813624, 2024920, 2267030, 2937560, 3363980, 4534060, 5214169, 6727960, 9068120, 10428338, 20856676, 26070845, 41713352, 52141690, 104283380, 208566760]

約数ペア:

[(1, 208566760), (2, 104283380), (4, 52141690), (5, 41713352), (8, 26070845), (10, 20856676), (20, 10428338), (23, 9068120), (31, 6727960), (40, 5214169), (46, 4534060), (62, 3363980), (71, 2937560), (92, 2267030), (103, 2024920), (115, 1813624), (124, 1681990), (142, 1468780), (155, 1345592), (184, 1133515), (206, 1012460), (230, 906812), (248, 840995), (284, 734390), (310, 672796), (355, 587512), (412, 506230), (460, 453406), (515, 404984), (568, 367195), (620, 336398), (710, 293756), (713, 292520), (824, 253115), (920, 226703), (1030, 202492), (1240, 168199), (1420, 146878), (1426, 146260), (1633, 127720), (2060, 101246), (2201, 94760), (2369, 88040), (2840, 73439), (2852, 73130), (3193, 65320), (3266, 63860), (3565, 58504), (4120, 50623), (4402, 47380), (4738, 44020), (5704, 36565), (6386, 32660), (6532, 31930), (7130, 29252), (7313, 28520), (8165, 25544), (8804, 23690), (9476, 22010), (11005, 18952), (11845, 17608), (12772, 16330), (13064, 15965), (14260, 14626)]