213230540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11939}}^1$

素因数の和:12014

約数の個数: 48

約数和(自身を含む): 481420800

約数和(自身を除く): 268190260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4465, 8930, 11939, 17860, 23878, 47756, 59695, 119390, 226841, 238780, 453682, 561133, 907364, 1122266, 1134205, 2244532, 2268410, 2805665, 4536820, 5611330, 10661527, 11222660, 21323054, 42646108, 53307635, 106615270, 213230540]

約数ペア:

[(1, 213230540), (2, 106615270), (4, 53307635), (5, 42646108), (10, 21323054), (19, 11222660), (20, 10661527), (38, 5611330), (47, 4536820), (76, 2805665), (94, 2268410), (95, 2244532), (188, 1134205), (190, 1122266), (235, 907364), (380, 561133), (470, 453682), (893, 238780), (940, 226841), (1786, 119390), (3572, 59695), (4465, 47756), (8930, 23878), (11939, 17860)]