28380870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2371}}^1$

素因数の和:2410

約数の個数: 96

約数和(自身を含む): 88807680

約数和(自身を除く): 60426810

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1995, 2371, 2394, 3990, 4742, 5985, 7113, 11855, 11970, 14226, 16597, 21339, 23710, 33194, 35565, 42678, 45049, 49791, 71130, 82985, 90098, 99582, 106695, 135147, 149373, 165970, 213390, 225245, 248955, 270294, 298746, 315343, 405441, 450490, 497910, 630686, 675735, 746865, 810882, 946029, 1351470, 1493730, 1576715, 1892058, 2027205, 2838087, 3153430, 4054410, 4730145, 5676174, 9460290, 14190435, 28380870]

約数ペア:

[(1, 28380870), (2, 14190435), (3, 9460290), (5, 5676174), (6, 4730145), (7, 4054410), (9, 3153430), (10, 2838087), (14, 2027205), (15, 1892058), (18, 1576715), (19, 1493730), (21, 1351470), (30, 946029), (35, 810882), (38, 746865), (42, 675735), (45, 630686), (57, 497910), (63, 450490), (70, 405441), (90, 315343), (95, 298746), (105, 270294), (114, 248955), (126, 225245), (133, 213390), (171, 165970), (190, 149373), (210, 135147), (266, 106695), (285, 99582), (315, 90098), (342, 82985), (399, 71130), (570, 49791), (630, 45049), (665, 42678), (798, 35565), (855, 33194), (1197, 23710), (1330, 21339), (1710, 16597), (1995, 14226), (2371, 11970), (2394, 11855), (3990, 7113), (4742, 5985)]