90089260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{619}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 199987200

約数和(自身を除く): 109897940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 383, 619, 766, 1238, 1532, 1915, 2476, 3095, 3830, 6190, 7277, 7660, 11761, 12380, 14554, 23522, 29108, 36385, 47044, 58805, 72770, 117610, 145540, 235220, 237077, 474154, 948308, 1185385, 2370770, 4504463, 4741540, 9008926, 18017852, 22522315, 45044630, 90089260]

約数ペア:

[(1, 90089260), (2, 45044630), (4, 22522315), (5, 18017852), (10, 9008926), (19, 4741540), (20, 4504463), (38, 2370770), (76, 1185385), (95, 948308), (190, 474154), (380, 237077), (383, 235220), (619, 145540), (766, 117610), (1238, 72770), (1532, 58805), (1915, 47044), (2476, 36385), (3095, 29108), (3830, 23522), (6190, 14554), (7277, 12380), (7660, 11761)]