1113390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 2948400

約数和(自身を除く): 1835010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 139, 178, 267, 278, 417, 445, 534, 695, 801, 834, 890, 1251, 1335, 1390, 1602, 2085, 2502, 2670, 4005, 4170, 6255, 8010, 12371, 12510, 24742, 37113, 61855, 74226, 111339, 123710, 185565, 222678, 371130, 556695, 1113390]

約数ペア:

[(1, 1113390), (2, 556695), (3, 371130), (5, 222678), (6, 185565), (9, 123710), (10, 111339), (15, 74226), (18, 61855), (30, 37113), (45, 24742), (89, 12510), (90, 12371), (139, 8010), (178, 6255), (267, 4170), (278, 4005), (417, 2670), (445, 2502), (534, 2085), (695, 1602), (801, 1390), (834, 1335), (890, 1251)]