210003440

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{14503}}^1$

素因数の和:14697

約数の個数: 40

約数和(自身を含む): 490989408

約数和(自身を除く): 280985968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 14480, 14503, 29006, 58012, 72515, 116024, 145030, 232048, 290060, 580120, 1160240, 2625043, 5250086, 10500172, 13125215, 21000344, 26250430, 42000688, 52500860, 105001720, 210003440]

約数ペア:

[(1, 210003440), (2, 105001720), (4, 52500860), (5, 42000688), (8, 26250430), (10, 21000344), (16, 13125215), (20, 10500172), (40, 5250086), (80, 2625043), (181, 1160240), (362, 580120), (724, 290060), (905, 232048), (1448, 145030), (1810, 116024), (2896, 72515), (3620, 58012), (7240, 29006), (14480, 14503)]