218199940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4201}}^1$

素因数の和:4277

約数の個数: 72

約数和(自身を含む): 543217752

約数和(自身を除く): 325017812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1855, 2597, 3710, 4201, 5194, 7420, 8402, 10388, 12985, 16804, 21005, 25970, 29407, 42010, 51940, 58814, 84020, 117628, 147035, 205849, 222653, 294070, 411698, 445306, 588140, 823396, 890612, 1029245, 1113265, 1558571, 2058490, 2226530, 3117142, 4116980, 4453060, 6234284, 7792855, 10909997, 15585710, 21819994, 31171420, 43639988, 54549985, 109099970, 218199940]

約数ペア:

[(1, 218199940), (2, 109099970), (4, 54549985), (5, 43639988), (7, 31171420), (10, 21819994), (14, 15585710), (20, 10909997), (28, 7792855), (35, 6234284), (49, 4453060), (53, 4116980), (70, 3117142), (98, 2226530), (106, 2058490), (140, 1558571), (196, 1113265), (212, 1029245), (245, 890612), (265, 823396), (371, 588140), (490, 445306), (530, 411698), (742, 294070), (980, 222653), (1060, 205849), (1484, 147035), (1855, 117628), (2597, 84020), (3710, 58814), (4201, 51940), (5194, 42010), (7420, 29407), (8402, 25970), (10388, 21005), (12985, 16804)]