29057980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 71820000

約数和(自身を除く): 42762020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 199, 245, 298, 398, 490, 596, 745, 796, 980, 995, 1043, 1393, 1490, 1990, 2086, 2786, 2980, 3980, 4172, 5215, 5572, 6965, 7301, 9751, 10430, 13930, 14602, 19502, 20860, 27860, 29204, 29651, 36505, 39004, 48755, 59302, 73010, 97510, 118604, 146020, 148255, 195020, 207557, 296510, 415114, 593020, 830228, 1037785, 1452899, 2075570, 2905798, 4151140, 5811596, 7264495, 14528990, 29057980]

約数ペア:

[(1, 29057980), (2, 14528990), (4, 7264495), (5, 5811596), (7, 4151140), (10, 2905798), (14, 2075570), (20, 1452899), (28, 1037785), (35, 830228), (49, 593020), (70, 415114), (98, 296510), (140, 207557), (149, 195020), (196, 148255), (199, 146020), (245, 118604), (298, 97510), (398, 73010), (490, 59302), (596, 48755), (745, 39004), (796, 36505), (980, 29651), (995, 29204), (1043, 27860), (1393, 20860), (1490, 19502), (1990, 14602), (2086, 13930), (2786, 10430), (2980, 9751), (3980, 7301), (4172, 6965), (5215, 5572)]