28911540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3623}}^1$

素因数の和:3661

約数の個数: 96

約数和(自身を含む): 97413120

約数和(自身を除く): 68501580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3623, 3990, 7246, 7980, 10869, 14492, 18115, 21738, 25361, 36230, 43476, 50722, 54345, 68837, 72460, 76083, 101444, 108690, 126805, 137674, 152166, 206511, 217380, 253610, 275348, 304332, 344185, 380415, 413022, 481859, 507220, 688370, 760830, 826044, 963718, 1032555, 1376740, 1445577, 1521660, 1927436, 2065110, 2409295, 2891154, 4130220, 4818590, 5782308, 7227885, 9637180, 14455770, 28911540]

約数ペア:

[(1, 28911540), (2, 14455770), (3, 9637180), (4, 7227885), (5, 5782308), (6, 4818590), (7, 4130220), (10, 2891154), (12, 2409295), (14, 2065110), (15, 1927436), (19, 1521660), (20, 1445577), (21, 1376740), (28, 1032555), (30, 963718), (35, 826044), (38, 760830), (42, 688370), (57, 507220), (60, 481859), (70, 413022), (76, 380415), (84, 344185), (95, 304332), (105, 275348), (114, 253610), (133, 217380), (140, 206511), (190, 152166), (210, 137674), (228, 126805), (266, 108690), (285, 101444), (380, 76083), (399, 72460), (420, 68837), (532, 54345), (570, 50722), (665, 43476), (798, 36230), (1140, 25361), (1330, 21738), (1596, 18115), (1995, 14492), (2660, 10869), (3623, 7980), (3990, 7246)]