30940420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3623}}^1$

素因数の和:3700

約数の個数: 48

約数和(自身を含む): 75495168

約数和(自身を除く): 44554748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3623, 4270, 7246, 8540, 14492, 18115, 25361, 36230, 50722, 72460, 101444, 126805, 221003, 253610, 442006, 507220, 884012, 1105015, 1547021, 2210030, 3094042, 4420060, 6188084, 7735105, 15470210, 30940420]

約数ペア:

[(1, 30940420), (2, 15470210), (4, 7735105), (5, 6188084), (7, 4420060), (10, 3094042), (14, 2210030), (20, 1547021), (28, 1105015), (35, 884012), (61, 507220), (70, 442006), (122, 253610), (140, 221003), (244, 126805), (305, 101444), (427, 72460), (610, 50722), (854, 36230), (1220, 25361), (1708, 18115), (2135, 14492), (3623, 8540), (4270, 7246)]