221404440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{827}}^1$

素因数の和:961

約数の個数: 128

約数和(自身を含む): 701084160

約数和(自身を除く): 479679720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 97, 115, 120, 138, 184, 194, 230, 276, 291, 345, 388, 460, 485, 552, 582, 690, 776, 827, 920, 970, 1164, 1380, 1455, 1654, 1940, 2231, 2328, 2481, 2760, 2910, 3308, 3880, 4135, 4462, 4962, 5820, 6616, 6693, 8270, 8924, 9924, 11155, 11640, 12405, 13386, 16540, 17848, 19021, 19848, 22310, 24810, 26772, 33080, 33465, 38042, 44620, 49620, 53544, 57063, 66930, 76084, 80219, 89240, 95105, 99240, 114126, 133860, 152168, 160438, 190210, 228252, 240657, 267720, 285315, 320876, 380420, 401095, 456504, 481314, 570630, 641752, 760840, 802190, 962628, 1141260, 1203285, 1604380, 1845037, 1925256, 2282520, 2406570, 3208760, 3690074, 4813140, 5535111, 7380148, 9225185, 9626280, 11070222, 14760296, 18450370, 22140444, 27675555, 36900740, 44280888, 55351110, 73801480, 110702220, 221404440]

約数ペア:

[(1, 221404440), (2, 110702220), (3, 73801480), (4, 55351110), (5, 44280888), (6, 36900740), (8, 27675555), (10, 22140444), (12, 18450370), (15, 14760296), (20, 11070222), (23, 9626280), (24, 9225185), (30, 7380148), (40, 5535111), (46, 4813140), (60, 3690074), (69, 3208760), (92, 2406570), (97, 2282520), (115, 1925256), (120, 1845037), (138, 1604380), (184, 1203285), (194, 1141260), (230, 962628), (276, 802190), (291, 760840), (345, 641752), (388, 570630), (460, 481314), (485, 456504), (552, 401095), (582, 380420), (690, 320876), (776, 285315), (827, 267720), (920, 240657), (970, 228252), (1164, 190210), (1380, 160438), (1455, 152168), (1654, 133860), (1940, 114126), (2231, 99240), (2328, 95105), (2481, 89240), (2760, 80219), (2910, 76084), (3308, 66930), (3880, 57063), (4135, 53544), (4462, 49620), (4962, 44620), (5820, 38042), (6616, 33465), (6693, 33080), (8270, 26772), (8924, 24810), (9924, 22310), (11155, 19848), (11640, 19021), (12405, 17848), (13386, 16540)]