219396280

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{48539}}^1$

素因数の和:48663

約数の個数: 32

約数和(自身を含む): 498020400

約数和(自身を除く): 278624120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 48539, 97078, 194156, 242695, 388312, 485390, 970780, 1941560, 5484907, 10969814, 21939628, 27424535, 43879256, 54849070, 109698140, 219396280]

約数ペア:

[(1, 219396280), (2, 109698140), (4, 54849070), (5, 43879256), (8, 27424535), (10, 21939628), (20, 10969814), (40, 5484907), (113, 1941560), (226, 970780), (452, 485390), (565, 388312), (904, 242695), (1130, 194156), (2260, 97078), (4520, 48539)]