1407405890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{1061}}^1$

素因数の和:1499

約数の個数: 64

約数和(自身を含む): 2862812160

約数和(自身を除く): 1455406270

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 389, 682, 778, 1061, 1705, 1945, 2122, 3410, 3890, 4279, 5305, 8558, 10610, 11671, 12059, 21395, 23342, 24118, 32891, 42790, 58355, 60295, 65782, 116710, 120590, 132649, 164455, 265298, 328910, 361801, 412729, 663245, 723602, 825458, 1326490, 1809005, 2063645, 3618010, 4127290, 4540019, 9080038, 12794599, 22700095, 25589198, 45400190, 63972995, 127945990, 140740589, 281481178, 703702945, 1407405890]

約数ペア:

[(1, 1407405890), (2, 703702945), (5, 281481178), (10, 140740589), (11, 127945990), (22, 63972995), (31, 45400190), (55, 25589198), (62, 22700095), (110, 12794599), (155, 9080038), (310, 4540019), (341, 4127290), (389, 3618010), (682, 2063645), (778, 1809005), (1061, 1326490), (1705, 825458), (1945, 723602), (2122, 663245), (3410, 412729), (3890, 361801), (4279, 328910), (5305, 265298), (8558, 164455), (10610, 132649), (11671, 120590), (12059, 116710), (21395, 65782), (23342, 60295), (24118, 58355), (32891, 42790)]