724220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{739}}^1$

素因数の和:762

約数の個数: 36

約数和(自身を含む): 1771560

約数和(自身を除く): 1047340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 739, 980, 1478, 2956, 3695, 5173, 7390, 10346, 14780, 20692, 25865, 36211, 51730, 72422, 103460, 144844, 181055, 362110, 724220]

約数ペア:

[(1, 724220), (2, 362110), (4, 181055), (5, 144844), (7, 103460), (10, 72422), (14, 51730), (20, 36211), (28, 25865), (35, 20692), (49, 14780), (70, 10346), (98, 7390), (140, 5173), (196, 3695), (245, 2956), (490, 1478), (739, 980)]