199940325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 384975360

約数和(自身を除く): 185035035

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 43, 57, 65, 75, 95, 129, 195, 215, 247, 251, 285, 325, 475, 559, 645, 741, 753, 817, 975, 1075, 1235, 1255, 1425, 1677, 2451, 2795, 3225, 3263, 3705, 3765, 4085, 4769, 6175, 6275, 8385, 9789, 10621, 10793, 12255, 13975, 14307, 16315, 18525, 18825, 20425, 23845, 31863, 32379, 41925, 48945, 53105, 53965, 61275, 61997, 71535, 81575, 119225, 140309, 159315, 161895, 185991, 205067, 244725, 265525, 269825, 309985, 357675, 420927, 615201, 701545, 796575, 809475, 929955, 1025335, 1549925, 2104635, 2665871, 3076005, 3507725, 4649775, 5126675, 7997613, 10523175, 13329355, 15380025, 39988065, 66646775, 199940325]

約数ペア:

[(1, 199940325), (3, 66646775), (5, 39988065), (13, 15380025), (15, 13329355), (19, 10523175), (25, 7997613), (39, 5126675), (43, 4649775), (57, 3507725), (65, 3076005), (75, 2665871), (95, 2104635), (129, 1549925), (195, 1025335), (215, 929955), (247, 809475), (251, 796575), (285, 701545), (325, 615201), (475, 420927), (559, 357675), (645, 309985), (741, 269825), (753, 265525), (817, 244725), (975, 205067), (1075, 185991), (1235, 161895), (1255, 159315), (1425, 140309), (1677, 119225), (2451, 81575), (2795, 71535), (3225, 61997), (3263, 61275), (3705, 53965), (3765, 53105), (4085, 48945), (4769, 41925), (6175, 32379), (6275, 31863), (8385, 23845), (9789, 20425), (10621, 18825), (10793, 18525), (12255, 16315), (13975, 14307)]