1998201450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{13691}}^1$

素因数の和:13852

約数の個数: 96

約数和(自身を含む): 5704634880

約数和(自身を除く): 3706433430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 139, 150, 175, 210, 278, 350, 417, 525, 695, 834, 973, 1050, 1390, 1946, 2085, 2919, 3475, 4170, 4865, 5838, 6950, 9730, 10425, 13691, 14595, 20850, 24325, 27382, 29190, 41073, 48650, 68455, 72975, 82146, 95837, 136910, 145950, 191674, 205365, 287511, 342275, 410730, 479185, 575022, 684550, 958370, 1026825, 1437555, 1903049, 2053650, 2395925, 2875110, 3806098, 4791850, 5709147, 7187775, 9515245, 11418294, 13321343, 14375550, 19030490, 26642686, 28545735, 39964029, 47576225, 57091470, 66606715, 79928058, 95152450, 133213430, 142728675, 199820145, 285457350, 333033575, 399640290, 666067150, 999100725, 1998201450]

約数ペア:

[(1, 1998201450), (2, 999100725), (3, 666067150), (5, 399640290), (6, 333033575), (7, 285457350), (10, 199820145), (14, 142728675), (15, 133213430), (21, 95152450), (25, 79928058), (30, 66606715), (35, 57091470), (42, 47576225), (50, 39964029), (70, 28545735), (75, 26642686), (105, 19030490), (139, 14375550), (150, 13321343), (175, 11418294), (210, 9515245), (278, 7187775), (350, 5709147), (417, 4791850), (525, 3806098), (695, 2875110), (834, 2395925), (973, 2053650), (1050, 1903049), (1390, 1437555), (1946, 1026825), (2085, 958370), (2919, 684550), (3475, 575022), (4170, 479185), (4865, 410730), (5838, 342275), (6950, 287511), (9730, 205365), (10425, 191674), (13691, 145950), (14595, 136910), (20850, 95837), (24325, 82146), (27382, 72975), (29190, 68455), (41073, 48650)]