1920140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 4408320

約数和(自身を除く): 2488180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 163, 190, 310, 326, 380, 589, 620, 652, 815, 1178, 1630, 2356, 2945, 3097, 3260, 5053, 5890, 6194, 10106, 11780, 12388, 15485, 20212, 25265, 30970, 50530, 61940, 96007, 101060, 192014, 384028, 480035, 960070, 1920140]

約数ペア:

[(1, 1920140), (2, 960070), (4, 480035), (5, 384028), (10, 192014), (19, 101060), (20, 96007), (31, 61940), (38, 50530), (62, 30970), (76, 25265), (95, 20212), (124, 15485), (155, 12388), (163, 11780), (190, 10106), (310, 6194), (326, 5890), (380, 5053), (589, 3260), (620, 3097), (652, 2945), (815, 2356), (1178, 1630)]