208087140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{204007}}^1$

素因数の和:204036

約数の個数: 48

約数和(自身を含む): 616920192

約数和(自身を除く): 408833052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 204007, 408014, 612021, 816028, 1020035, 1224042, 2040070, 2448084, 3060105, 3468119, 4080140, 6120210, 6936238, 10404357, 12240420, 13872476, 17340595, 20808714, 34681190, 41617428, 52021785, 69362380, 104043570, 208087140]

約数ペア:

[(1, 208087140), (2, 104043570), (3, 69362380), (4, 52021785), (5, 41617428), (6, 34681190), (10, 20808714), (12, 17340595), (15, 13872476), (17, 12240420), (20, 10404357), (30, 6936238), (34, 6120210), (51, 4080140), (60, 3468119), (68, 3060105), (85, 2448084), (102, 2040070), (170, 1224042), (204, 1020035), (255, 816028), (340, 612021), (510, 408014), (1020, 204007)]