419570340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{142711}}^1$

素因数の和:142737

約数の個数: 72

約数和(自身を含む): 1366610112

約数和(自身を除く): 947039772

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, 1470, 2940, 142711, 285422, 428133, 570844, 713555, 856266, 998977, 1427110, 1712532, 1997954, 2140665, 2854220, 2996931, 3995908, 4281330, 4994885, 5993862, 6992839, 8562660, 9989770, 11987724, 13985678, 14984655, 19979540, 20978517, 27971356, 29969310, 34964195, 41957034, 59938620, 69928390, 83914068, 104892585, 139856780, 209785170, 419570340]

約数ペア:

[(1, 419570340), (2, 209785170), (3, 139856780), (4, 104892585), (5, 83914068), (6, 69928390), (7, 59938620), (10, 41957034), (12, 34964195), (14, 29969310), (15, 27971356), (20, 20978517), (21, 19979540), (28, 14984655), (30, 13985678), (35, 11987724), (42, 9989770), (49, 8562660), (60, 6992839), (70, 5993862), (84, 4994885), (98, 4281330), (105, 3995908), (140, 2996931), (147, 2854220), (196, 2140665), (210, 1997954), (245, 1712532), (294, 1427110), (420, 998977), (490, 856266), (588, 713555), (735, 570844), (980, 428133), (1470, 285422), (2940, 142711)]