2980202540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{953}}^1\times {\mathrm{3191}}^1$

素因数の和:4167

約数の個数: 72

約数和(自身を含む): 7290132192

約数和(自身を除く): 4309929652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 953, 980, 1906, 3191, 3812, 4765, 6382, 6671, 9530, 12764, 13342, 15955, 19060, 22337, 26684, 31910, 33355, 44674, 46697, 63820, 66710, 89348, 93394, 111685, 133420, 156359, 186788, 223370, 233485, 312718, 446740, 466970, 625436, 781795, 933940, 1563590, 3041023, 3127180, 6082046, 12164092, 15205115, 21287161, 30410230, 42574322, 60820460, 85148644, 106435805, 149010127, 212871610, 298020254, 425743220, 596040508, 745050635, 1490101270, 2980202540]

約数ペア:

[(1, 2980202540), (2, 1490101270), (4, 745050635), (5, 596040508), (7, 425743220), (10, 298020254), (14, 212871610), (20, 149010127), (28, 106435805), (35, 85148644), (49, 60820460), (70, 42574322), (98, 30410230), (140, 21287161), (196, 15205115), (245, 12164092), (490, 6082046), (953, 3127180), (980, 3041023), (1906, 1563590), (3191, 933940), (3812, 781795), (4765, 625436), (6382, 466970), (6671, 446740), (9530, 312718), (12764, 233485), (13342, 223370), (15955, 186788), (19060, 156359), (22337, 133420), (26684, 111685), (31910, 93394), (33355, 89348), (44674, 66710), (46697, 63820)]