2931180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{997}}^1$

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 9556848

約数和(自身を除く): 6625668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 997, 1470, 1994, 2940, 2991, 3988, 4985, 5982, 6979, 9970, 11964, 13958, 14955, 19940, 20937, 27916, 29910, 34895, 41874, 48853, 59820, 69790, 83748, 97706, 104685, 139580, 146559, 195412, 209370, 244265, 293118, 418740, 488530, 586236, 732795, 977060, 1465590, 2931180]

約数ペア:

[(1, 2931180), (2, 1465590), (3, 977060), (4, 732795), (5, 586236), (6, 488530), (7, 418740), (10, 293118), (12, 244265), (14, 209370), (15, 195412), (20, 146559), (21, 139580), (28, 104685), (30, 97706), (35, 83748), (42, 69790), (49, 59820), (60, 48853), (70, 41874), (84, 34895), (98, 29910), (105, 27916), (140, 20937), (147, 19940), (196, 14955), (210, 13958), (245, 11964), (294, 9970), (420, 6979), (490, 5982), (588, 4985), (735, 3988), (980, 2991), (997, 2940), (1470, 1994)]