209989725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 400688640

約数和(自身を除く): 190698915

約数列:

[1, 3, 5, 11, 15, 25, 29, 33, 55, 67, 75, 87, 131, 145, 165, 201, 275, 319, 335, 393, 435, 655, 725, 737, 825, 957, 1005, 1441, 1595, 1675, 1943, 1965, 2175, 2211, 3275, 3685, 3799, 4323, 4785, 5025, 5829, 7205, 7975, 8777, 9715, 9825, 11055, 11397, 18425, 18995, 21373, 21615, 23925, 26331, 29145, 36025, 41789, 43885, 48575, 55275, 56985, 64119, 94975, 96547, 106865, 108075, 125367, 131655, 145725, 208945, 219425, 254533, 284925, 289641, 320595, 482735, 534325, 626835, 658275, 763599, 1044725, 1272665, 1448205, 1602975, 2413675, 2799863, 3134175, 3817995, 6363325, 7241025, 8399589, 13999315, 19089975, 41997945, 69996575, 209989725]

約数ペア:

[(1, 209989725), (3, 69996575), (5, 41997945), (11, 19089975), (15, 13999315), (25, 8399589), (29, 7241025), (33, 6363325), (55, 3817995), (67, 3134175), (75, 2799863), (87, 2413675), (131, 1602975), (145, 1448205), (165, 1272665), (201, 1044725), (275, 763599), (319, 658275), (335, 626835), (393, 534325), (435, 482735), (655, 320595), (725, 289641), (737, 284925), (825, 254533), (957, 219425), (1005, 208945), (1441, 145725), (1595, 131655), (1675, 125367), (1943, 108075), (1965, 106865), (2175, 96547), (2211, 94975), (3275, 64119), (3685, 56985), (3799, 55275), (4323, 48575), (4785, 43885), (5025, 41789), (5829, 36025), (7205, 29145), (7975, 26331), (8777, 23925), (9715, 21615), (9825, 21373), (11055, 18995), (11397, 18425)]