211203440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2879}}^1$

素因数の和:3030

約数の個数: 80

約数和(自身を含む): 565678080

約数和(自身を除く): 354474640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1310, 1834, 2096, 2620, 2879, 3668, 4585, 5240, 5758, 7336, 9170, 10480, 11516, 14395, 14672, 18340, 20153, 23032, 28790, 36680, 40306, 46064, 57580, 73360, 80612, 100765, 115160, 161224, 201530, 230320, 322448, 377149, 403060, 754298, 806120, 1508596, 1612240, 1885745, 2640043, 3017192, 3771490, 5280086, 6034384, 7542980, 10560172, 13200215, 15085960, 21120344, 26400430, 30171920, 42240688, 52800860, 105601720, 211203440]

約数ペア:

[(1, 211203440), (2, 105601720), (4, 52800860), (5, 42240688), (7, 30171920), (8, 26400430), (10, 21120344), (14, 15085960), (16, 13200215), (20, 10560172), (28, 7542980), (35, 6034384), (40, 5280086), (56, 3771490), (70, 3017192), (80, 2640043), (112, 1885745), (131, 1612240), (140, 1508596), (262, 806120), (280, 754298), (524, 403060), (560, 377149), (655, 322448), (917, 230320), (1048, 201530), (1310, 161224), (1834, 115160), (2096, 100765), (2620, 80612), (2879, 73360), (3668, 57580), (4585, 46064), (5240, 40306), (5758, 36680), (7336, 28790), (9170, 23032), (10480, 20153), (11516, 18340), (14395, 14672)]