190030820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{919}}^1$

素因数の和:1153

約数の個数: 72

約数和(自身を含む): 466925760

約数和(自身を除く): 276894940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 211, 245, 422, 490, 844, 919, 980, 1055, 1477, 1838, 2110, 2954, 3676, 4220, 4595, 5908, 6433, 7385, 9190, 10339, 12866, 14770, 18380, 20678, 25732, 29540, 32165, 41356, 45031, 51695, 64330, 90062, 103390, 128660, 180124, 193909, 206780, 225155, 387818, 450310, 775636, 900620, 969545, 1357363, 1939090, 2714726, 3878180, 5429452, 6786815, 9501541, 13573630, 19003082, 27147260, 38006164, 47507705, 95015410, 190030820]

約数ペア:

[(1, 190030820), (2, 95015410), (4, 47507705), (5, 38006164), (7, 27147260), (10, 19003082), (14, 13573630), (20, 9501541), (28, 6786815), (35, 5429452), (49, 3878180), (70, 2714726), (98, 1939090), (140, 1357363), (196, 969545), (211, 900620), (245, 775636), (422, 450310), (490, 387818), (844, 225155), (919, 206780), (980, 193909), (1055, 180124), (1477, 128660), (1838, 103390), (2110, 90062), (2954, 64330), (3676, 51695), (4220, 45031), (4595, 41356), (5908, 32165), (6433, 29540), (7385, 25732), (9190, 20678), (10339, 18380), (12866, 14770)]