206569900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 512467200

約数和(自身を除く): 305897300

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 29, 38, 46, 50, 58, 76, 92, 95, 100, 115, 116, 145, 163, 190, 230, 290, 326, 380, 437, 460, 475, 551, 575, 580, 652, 667, 725, 815, 874, 950, 1102, 1150, 1334, 1450, 1630, 1748, 1900, 2185, 2204, 2300, 2668, 2755, 2900, 3097, 3260, 3335, 3749, 4075, 4370, 4727, 5510, 6194, 6670, 7498, 8150, 8740, 9454, 10925, 11020, 12388, 12673, 13340, 13775, 14996, 15485, 16300, 16675, 18745, 18908, 21850, 23635, 25346, 27550, 30970, 33350, 37490, 43700, 47270, 50692, 55100, 61940, 63365, 66700, 71231, 74980, 77425, 89813, 93725, 94540, 108721, 118175, 126730, 142462, 154850, 179626, 187450, 217442, 236350, 253460, 284924, 309700, 316825, 356155, 359252, 374900, 434884, 449065, 472700, 543605, 633650, 712310, 898130, 1087210, 1267300, 1424620, 1780775, 1796260, 2065699, 2174420, 2245325, 2718025, 3561550, 4131398, 4490650, 5436050, 7123100, 8262796, 8981300, 10328495, 10872100, 20656990, 41313980, 51642475, 103284950, 206569900]

約数ペア:

[(1, 206569900), (2, 103284950), (4, 51642475), (5, 41313980), (10, 20656990), (19, 10872100), (20, 10328495), (23, 8981300), (25, 8262796), (29, 7123100), (38, 5436050), (46, 4490650), (50, 4131398), (58, 3561550), (76, 2718025), (92, 2245325), (95, 2174420), (100, 2065699), (115, 1796260), (116, 1780775), (145, 1424620), (163, 1267300), (190, 1087210), (230, 898130), (290, 712310), (326, 633650), (380, 543605), (437, 472700), (460, 449065), (475, 434884), (551, 374900), (575, 359252), (580, 356155), (652, 316825), (667, 309700), (725, 284924), (815, 253460), (874, 236350), (950, 217442), (1102, 187450), (1150, 179626), (1334, 154850), (1450, 142462), (1630, 126730), (1748, 118175), (1900, 108721), (2185, 94540), (2204, 93725), (2300, 89813), (2668, 77425), (2755, 74980), (2900, 71231), (3097, 66700), (3260, 63365), (3335, 61940), (3749, 55100), (4075, 50692), (4370, 47270), (4727, 43700), (5510, 37490), (6194, 33350), (6670, 30970), (7498, 27550), (8150, 25346), (8740, 23635), (9454, 21850), (10925, 18908), (11020, 18745), (12388, 16675), (12673, 16300), (13340, 15485), (13775, 14996)]