49717980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21247}}^1$

素因数の和:21275

約数の個数: 72

約数和(自身を含む): 162419712

約数和(自身を除く): 112701732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 21247, 42494, 63741, 84988, 106235, 127482, 191223, 212470, 254964, 276211, 318705, 382446, 424940, 552422, 637410, 764892, 828633, 956115, 1104844, 1274820, 1381055, 1657266, 1912230, 2485899, 2762110, 3314532, 3824460, 4143165, 4971798, 5524220, 8286330, 9943596, 12429495, 16572660, 24858990, 49717980]

約数ペア:

[(1, 49717980), (2, 24858990), (3, 16572660), (4, 12429495), (5, 9943596), (6, 8286330), (9, 5524220), (10, 4971798), (12, 4143165), (13, 3824460), (15, 3314532), (18, 2762110), (20, 2485899), (26, 1912230), (30, 1657266), (36, 1381055), (39, 1274820), (45, 1104844), (52, 956115), (60, 828633), (65, 764892), (78, 637410), (90, 552422), (117, 424940), (130, 382446), (156, 318705), (180, 276211), (195, 254964), (234, 212470), (260, 191223), (390, 127482), (468, 106235), (585, 84988), (780, 63741), (1170, 42494), (2340, 21247)]