205798950

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{827}}^1$

素因数の和:931

約数の個数: 144

約数和(自身を含む): 640673280

約数和(自身を除く): 434874330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 79, 90, 105, 126, 150, 158, 175, 210, 225, 237, 315, 350, 395, 450, 474, 525, 553, 630, 711, 790, 827, 1050, 1106, 1185, 1422, 1575, 1654, 1659, 1975, 2370, 2481, 2765, 3150, 3318, 3555, 3950, 4135, 4962, 4977, 5530, 5789, 5925, 7110, 7443, 8270, 8295, 9954, 11578, 11850, 12405, 13825, 14886, 16590, 17367, 17775, 20675, 24810, 24885, 27650, 28945, 34734, 35550, 37215, 41350, 41475, 49770, 52101, 57890, 62025, 65333, 74430, 82950, 86835, 104202, 124050, 124425, 130666, 144725, 173670, 186075, 195999, 248850, 260505, 289450, 326665, 372150, 391998, 434175, 457331, 521010, 587997, 653330, 868350, 914662, 979995, 1175994, 1302525, 1371993, 1633325, 1959990, 2286655, 2605050, 2743986, 2939985, 3266650, 4115979, 4573310, 4899975, 5879970, 6859965, 8231958, 9799950, 11433275, 13719930, 14699925, 20579895, 22866550, 29399850, 34299825, 41159790, 68599650, 102899475, 205798950]

約数ペア:

[(1, 205798950), (2, 102899475), (3, 68599650), (5, 41159790), (6, 34299825), (7, 29399850), (9, 22866550), (10, 20579895), (14, 14699925), (15, 13719930), (18, 11433275), (21, 9799950), (25, 8231958), (30, 6859965), (35, 5879970), (42, 4899975), (45, 4573310), (50, 4115979), (63, 3266650), (70, 2939985), (75, 2743986), (79, 2605050), (90, 2286655), (105, 1959990), (126, 1633325), (150, 1371993), (158, 1302525), (175, 1175994), (210, 979995), (225, 914662), (237, 868350), (315, 653330), (350, 587997), (395, 521010), (450, 457331), (474, 434175), (525, 391998), (553, 372150), (630, 326665), (711, 289450), (790, 260505), (827, 248850), (1050, 195999), (1106, 186075), (1185, 173670), (1422, 144725), (1575, 130666), (1654, 124425), (1659, 124050), (1975, 104202), (2370, 86835), (2481, 82950), (2765, 74430), (3150, 65333), (3318, 62025), (3555, 57890), (3950, 52101), (4135, 49770), (4962, 41475), (4977, 41350), (5530, 37215), (5789, 35550), (5925, 34734), (7110, 28945), (7443, 27650), (8270, 24885), (8295, 24810), (9954, 20675), (11578, 17775), (11850, 17367), (12405, 16590), (13825, 14886)]