213046160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 508561200

約数和(自身を除く): 295515040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 149, 244, 293, 298, 305, 488, 586, 596, 610, 745, 976, 1172, 1192, 1220, 1465, 1490, 2344, 2384, 2440, 2930, 2980, 4688, 4880, 5860, 5960, 9089, 11720, 11920, 17873, 18178, 23440, 35746, 36356, 43657, 45445, 71492, 72712, 87314, 89365, 90890, 142984, 145424, 174628, 178730, 181780, 218285, 285968, 349256, 357460, 363560, 436570, 698512, 714920, 727120, 873140, 1429840, 1746280, 2663077, 3492560, 5326154, 10652308, 13315385, 21304616, 26630770, 42609232, 53261540, 106523080, 213046160]

約数ペア:

[(1, 213046160), (2, 106523080), (4, 53261540), (5, 42609232), (8, 26630770), (10, 21304616), (16, 13315385), (20, 10652308), (40, 5326154), (61, 3492560), (80, 2663077), (122, 1746280), (149, 1429840), (244, 873140), (293, 727120), (298, 714920), (305, 698512), (488, 436570), (586, 363560), (596, 357460), (610, 349256), (745, 285968), (976, 218285), (1172, 181780), (1192, 178730), (1220, 174628), (1465, 145424), (1490, 142984), (2344, 90890), (2384, 89365), (2440, 87314), (2930, 72712), (2980, 71492), (4688, 45445), (4880, 43657), (5860, 36356), (5960, 35746), (9089, 23440), (11720, 18178), (11920, 17873)]