207940950

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:539

約数の個数: 144

約数和(自身を含む): 643458816

約数和(自身を除く): 435517866

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 251, 263, 315, 350, 450, 502, 525, 526, 630, 753, 789, 1050, 1255, 1315, 1506, 1575, 1578, 1757, 1841, 2259, 2367, 2510, 2630, 3150, 3514, 3682, 3765, 3945, 4518, 4734, 5271, 5523, 6275, 6575, 7530, 7890, 8785, 9205, 10542, 11046, 11295, 11835, 12550, 13150, 15813, 16569, 17570, 18410, 18825, 19725, 22590, 23670, 26355, 27615, 31626, 33138, 37650, 39450, 43925, 46025, 52710, 55230, 56475, 59175, 66013, 79065, 82845, 87850, 92050, 112950, 118350, 131775, 132026, 138075, 158130, 165690, 198039, 263550, 276150, 330065, 395325, 396078, 414225, 462091, 594117, 660130, 790650, 828450, 924182, 990195, 1188234, 1386273, 1650325, 1980390, 2310455, 2772546, 2970585, 3300650, 4158819, 4620910, 4950975, 5941170, 6931365, 8317638, 9901950, 11552275, 13862730, 14852925, 20794095, 23104550, 29705850, 34656825, 41588190, 69313650, 103970475, 207940950]

約数ペア:

[(1, 207940950), (2, 103970475), (3, 69313650), (5, 41588190), (6, 34656825), (7, 29705850), (9, 23104550), (10, 20794095), (14, 14852925), (15, 13862730), (18, 11552275), (21, 9901950), (25, 8317638), (30, 6931365), (35, 5941170), (42, 4950975), (45, 4620910), (50, 4158819), (63, 3300650), (70, 2970585), (75, 2772546), (90, 2310455), (105, 1980390), (126, 1650325), (150, 1386273), (175, 1188234), (210, 990195), (225, 924182), (251, 828450), (263, 790650), (315, 660130), (350, 594117), (450, 462091), (502, 414225), (525, 396078), (526, 395325), (630, 330065), (753, 276150), (789, 263550), (1050, 198039), (1255, 165690), (1315, 158130), (1506, 138075), (1575, 132026), (1578, 131775), (1757, 118350), (1841, 112950), (2259, 92050), (2367, 87850), (2510, 82845), (2630, 79065), (3150, 66013), (3514, 59175), (3682, 56475), (3765, 55230), (3945, 52710), (4518, 46025), (4734, 43925), (5271, 39450), (5523, 37650), (6275, 33138), (6575, 31626), (7530, 27615), (7890, 26355), (8785, 23670), (9205, 22590), (10542, 19725), (11046, 18825), (11295, 18410), (11835, 17570), (12550, 16569), (13150, 15813)]