209104480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{439}}^1$

素因数の和:696

約数の個数: 96

約数和(自身を含む): 535550400

約数和(自身を除く): 326445920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 229, 260, 416, 439, 458, 520, 878, 916, 1040, 1145, 1756, 1832, 2080, 2195, 2290, 2977, 3512, 3664, 4390, 4580, 5707, 5954, 7024, 7328, 8780, 9160, 11414, 11908, 14048, 14885, 17560, 18320, 22828, 23816, 28535, 29770, 35120, 36640, 45656, 47632, 57070, 59540, 70240, 91312, 95264, 100531, 114140, 119080, 182624, 201062, 228280, 238160, 402124, 456560, 476320, 502655, 804248, 913120, 1005310, 1306903, 1608496, 2010620, 2613806, 3216992, 4021240, 5227612, 6534515, 8042480, 10455224, 13069030, 16084960, 20910448, 26138060, 41820896, 52276120, 104552240, 209104480]

約数ペア:

[(1, 209104480), (2, 104552240), (4, 52276120), (5, 41820896), (8, 26138060), (10, 20910448), (13, 16084960), (16, 13069030), (20, 10455224), (26, 8042480), (32, 6534515), (40, 5227612), (52, 4021240), (65, 3216992), (80, 2613806), (104, 2010620), (130, 1608496), (160, 1306903), (208, 1005310), (229, 913120), (260, 804248), (416, 502655), (439, 476320), (458, 456560), (520, 402124), (878, 238160), (916, 228280), (1040, 201062), (1145, 182624), (1756, 119080), (1832, 114140), (2080, 100531), (2195, 95264), (2290, 91312), (2977, 70240), (3512, 59540), (3664, 57070), (4390, 47632), (4580, 45656), (5707, 36640), (5954, 35120), (7024, 29770), (7328, 28535), (8780, 23816), (9160, 22828), (11414, 18320), (11908, 17560), (14048, 14885)]