123657380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11471}}^1$

素因数の和:11505

約数の個数: 72

約数和(自身を含む): 329567616

約数和(自身を除く): 205910236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 11471, 22942, 45884, 57355, 80297, 114710, 126181, 160594, 229420, 252362, 321188, 401485, 504724, 562079, 630905, 802970, 883267, 1124158, 1261810, 1605940, 1766534, 2248316, 2523620, 2810395, 3533068, 4416335, 5620790, 6182869, 8832670, 11241580, 12365738, 17665340, 24731476, 30914345, 61828690, 123657380]

約数ペア:

[(1, 123657380), (2, 61828690), (4, 30914345), (5, 24731476), (7, 17665340), (10, 12365738), (11, 11241580), (14, 8832670), (20, 6182869), (22, 5620790), (28, 4416335), (35, 3533068), (44, 2810395), (49, 2523620), (55, 2248316), (70, 1766534), (77, 1605940), (98, 1261810), (110, 1124158), (140, 883267), (154, 802970), (196, 630905), (220, 562079), (245, 504724), (308, 401485), (385, 321188), (490, 252362), (539, 229420), (770, 160594), (980, 126181), (1078, 114710), (1540, 80297), (2156, 57355), (2695, 45884), (5390, 22942), (10780, 11471)]