19795992650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2137}}^1$

素因数の和:2381

約数の個数: 144

約数和(自身を含む): 45334152000

約数和(自身を除く): 25538159350

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 49, 50, 70, 95, 98, 133, 175, 190, 199, 245, 266, 350, 398, 475, 490, 665, 931, 950, 995, 1225, 1330, 1393, 1862, 1990, 2137, 2450, 2786, 3325, 3781, 4274, 4655, 4975, 6650, 6965, 7562, 9310, 9751, 9950, 10685, 13930, 14959, 18905, 19502, 21370, 23275, 26467, 29918, 34825, 37810, 40603, 46550, 48755, 52934, 53425, 69650, 74795, 81206, 94525, 97510, 104713, 106850, 132335, 149590, 185269, 189050, 203015, 209426, 243775, 264670, 284221, 370538, 373975, 406030, 425263, 487550, 523565, 568442, 661675, 747950, 850526, 926345, 1015075, 1047130, 1323350, 1421105, 1852690, 1989547, 2030150, 2126315, 2617825, 2842210, 2976841, 3979094, 4252630, 4631725, 5235650, 5953682, 7105525, 8079997, 9263450, 9947735, 10631575, 14211050, 14884205, 16159994, 19895470, 20837887, 21263150, 29768410, 40399985, 41675774, 49738675, 56559979, 74421025, 80799970, 99477350, 104189435, 113119958, 148842050, 201999925, 208378870, 282799895, 395919853, 403999850, 520947175, 565599790, 791839706, 1041894350, 1413999475, 1979599265, 2827998950, 3959198530, 9897996325, 19795992650]

約数ペア:

[(1, 19795992650), (2, 9897996325), (5, 3959198530), (7, 2827998950), (10, 1979599265), (14, 1413999475), (19, 1041894350), (25, 791839706), (35, 565599790), (38, 520947175), (49, 403999850), (50, 395919853), (70, 282799895), (95, 208378870), (98, 201999925), (133, 148842050), (175, 113119958), (190, 104189435), (199, 99477350), (245, 80799970), (266, 74421025), (350, 56559979), (398, 49738675), (475, 41675774), (490, 40399985), (665, 29768410), (931, 21263150), (950, 20837887), (995, 19895470), (1225, 16159994), (1330, 14884205), (1393, 14211050), (1862, 10631575), (1990, 9947735), (2137, 9263450), (2450, 8079997), (2786, 7105525), (3325, 5953682), (3781, 5235650), (4274, 4631725), (4655, 4252630), (4975, 3979094), (6650, 2976841), (6965, 2842210), (7562, 2617825), (9310, 2126315), (9751, 2030150), (9950, 1989547), (10685, 1852690), (13930, 1421105), (14959, 1323350), (18905, 1047130), (19502, 1015075), (21370, 926345), (23275, 850526), (26467, 747950), (29918, 661675), (34825, 568442), (37810, 523565), (40603, 487550), (46550, 425263), (48755, 406030), (52934, 373975), (53425, 370538), (69650, 284221), (74795, 264670), (81206, 243775), (94525, 209426), (97510, 203015), (104713, 189050), (106850, 185269), (132335, 149590)]