30925540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{839}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 69148800

約数和(自身を除く): 38223260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 839, 970, 1678, 1843, 1940, 3356, 3686, 4195, 7372, 8390, 9215, 15941, 16780, 18430, 31882, 36860, 63764, 79705, 81383, 159410, 162766, 318820, 325532, 406915, 813830, 1546277, 1627660, 3092554, 6185108, 7731385, 15462770, 30925540]

約数ペア:

[(1, 30925540), (2, 15462770), (4, 7731385), (5, 6185108), (10, 3092554), (19, 1627660), (20, 1546277), (38, 813830), (76, 406915), (95, 325532), (97, 318820), (190, 162766), (194, 159410), (380, 81383), (388, 79705), (485, 63764), (839, 36860), (970, 31882), (1678, 18430), (1843, 16780), (1940, 15941), (3356, 9215), (3686, 8390), (4195, 7372)]