78298220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3911}}^1$

素因数の和:3951

約数の個数: 96

約数和(自身を含む): 220824576

約数和(自身を除く): 142526356

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 3911, 4004, 5005, 7822, 10010, 15644, 19555, 20020, 27377, 39110, 43021, 50843, 54754, 78220, 86042, 101686, 109508, 136885, 172084, 203372, 215105, 254215, 273770, 301147, 355901, 430210, 508430, 547540, 559273, 602294, 711802, 860420, 1016860, 1118546, 1204588, 1423604, 1505735, 1779505, 2237092, 2796365, 3011470, 3559010, 3914911, 5592730, 6022940, 7118020, 7829822, 11185460, 15659644, 19574555, 39149110, 78298220]

約数ペア:

[(1, 78298220), (2, 39149110), (4, 19574555), (5, 15659644), (7, 11185460), (10, 7829822), (11, 7118020), (13, 6022940), (14, 5592730), (20, 3914911), (22, 3559010), (26, 3011470), (28, 2796365), (35, 2237092), (44, 1779505), (52, 1505735), (55, 1423604), (65, 1204588), (70, 1118546), (77, 1016860), (91, 860420), (110, 711802), (130, 602294), (140, 559273), (143, 547540), (154, 508430), (182, 430210), (220, 355901), (260, 301147), (286, 273770), (308, 254215), (364, 215105), (385, 203372), (455, 172084), (572, 136885), (715, 109508), (770, 101686), (910, 86042), (1001, 78220), (1430, 54754), (1540, 50843), (1820, 43021), (2002, 39110), (2860, 27377), (3911, 20020), (4004, 19555), (5005, 15644), (7822, 10010)]