28021770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2341}}^1$

素因数の和:2380

約数の個数: 96

約数和(自身を含む): 87684480

約数和(自身を除く): 59662710

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, 2341, 2394, 3990, 4682, 5985, 7023, 11705, 11970, 14046, 16387, 21069, 23410, 32774, 35115, 42138, 44479, 49161, 70230, 81935, 88958, 98322, 105345, 133437, 147483, 163870, 210690, 222395, 245805, 266874, 294966, 311353, 400311, 444790, 491610, 622706, 667185, 737415, 800622, 934059, 1334370, 1474830, 1556765, 1868118, 2001555, 2802177, 3113530, 4003110, 4670295, 5604354, 9340590, 14010885, 28021770]

約数ペア:

[(1, 28021770), (2, 14010885), (3, 9340590), (5, 5604354), (6, 4670295), (7, 4003110), (9, 3113530), (10, 2802177), (14, 2001555), (15, 1868118), (18, 1556765), (19, 1474830), (21, 1334370), (30, 934059), (35, 800622), (38, 737415), (42, 667185), (45, 622706), (57, 491610), (63, 444790), (70, 400311), (90, 311353), (95, 294966), (105, 266874), (114, 245805), (126, 222395), (133, 210690), (171, 163870), (190, 147483), (210, 133437), (266, 105345), (285, 98322), (315, 88958), (342, 81935), (399, 70230), (570, 49161), (630, 44479), (665, 42138), (798, 35115), (855, 32774), (1197, 23410), (1330, 21069), (1710, 16387), (1995, 14046), (2341, 11970), (2394, 11705), (3990, 7023), (4682, 5985)]