2811620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 7277760

約数和(自身を除く): 4466140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 151, 190, 196, 245, 266, 302, 380, 490, 532, 604, 665, 755, 931, 980, 1057, 1330, 1510, 1862, 2114, 2660, 2869, 3020, 3724, 4228, 4655, 5285, 5738, 7399, 9310, 10570, 11476, 14345, 14798, 18620, 20083, 21140, 28690, 29596, 36995, 40166, 57380, 73990, 80332, 100415, 140581, 147980, 200830, 281162, 401660, 562324, 702905, 1405810, 2811620]

約数ペア:

[(1, 2811620), (2, 1405810), (4, 702905), (5, 562324), (7, 401660), (10, 281162), (14, 200830), (19, 147980), (20, 140581), (28, 100415), (35, 80332), (38, 73990), (49, 57380), (70, 40166), (76, 36995), (95, 29596), (98, 28690), (133, 21140), (140, 20083), (151, 18620), (190, 14798), (196, 14345), (245, 11476), (266, 10570), (302, 9310), (380, 7399), (490, 5738), (532, 5285), (604, 4655), (665, 4228), (755, 3724), (931, 3020), (980, 2869), (1057, 2660), (1330, 2114), (1510, 1862)]