389330240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3019}}^1$

素因数の和:3080

約数の個数: 112

約数和(自身を含む): 1030955520

約数和(自身を除く): 641625280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 3019, 3224, 4030, 4160, 4960, 6038, 6448, 8060, 9920, 12076, 12896, 15095, 16120, 24152, 25792, 30190, 32240, 39247, 48304, 60380, 64480, 78494, 93589, 96608, 120760, 128960, 156988, 187178, 193216, 196235, 241520, 313976, 374356, 392470, 467945, 483040, 627952, 748712, 784940, 935890, 966080, 1216657, 1255904, 1497424, 1569880, 1871780, 2433314, 2511808, 2994848, 3139760, 3743560, 4866628, 5989696, 6083285, 6279520, 7487120, 9733256, 12166570, 12559040, 14974240, 19466512, 24333140, 29948480, 38933024, 48666280, 77866048, 97332560, 194665120, 389330240]

約数ペア:

[(1, 389330240), (2, 194665120), (4, 97332560), (5, 77866048), (8, 48666280), (10, 38933024), (13, 29948480), (16, 24333140), (20, 19466512), (26, 14974240), (31, 12559040), (32, 12166570), (40, 9733256), (52, 7487120), (62, 6279520), (64, 6083285), (65, 5989696), (80, 4866628), (104, 3743560), (124, 3139760), (130, 2994848), (155, 2511808), (160, 2433314), (208, 1871780), (248, 1569880), (260, 1497424), (310, 1255904), (320, 1216657), (403, 966080), (416, 935890), (496, 784940), (520, 748712), (620, 627952), (806, 483040), (832, 467945), (992, 392470), (1040, 374356), (1240, 313976), (1612, 241520), (1984, 196235), (2015, 193216), (2080, 187178), (2480, 156988), (3019, 128960), (3224, 120760), (4030, 96608), (4160, 93589), (4960, 78494), (6038, 64480), (6448, 60380), (8060, 48304), (9920, 39247), (12076, 32240), (12896, 30190), (15095, 25792), (16120, 24152)]