406706720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1721}}^1$

素因数の和:1954

約数の個数: 96

約数和(自身を含む): 1103953536

約数和(自身を除く): 697246816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 211, 224, 280, 422, 560, 844, 1055, 1120, 1477, 1688, 1721, 2110, 2954, 3376, 3442, 4220, 5908, 6752, 6884, 7385, 8440, 8605, 11816, 12047, 13768, 14770, 16880, 17210, 23632, 24094, 27536, 29540, 33760, 34420, 47264, 48188, 55072, 59080, 60235, 68840, 96376, 118160, 120470, 137680, 192752, 236320, 240940, 275360, 363131, 385504, 481880, 726262, 963760, 1452524, 1815655, 1927520, 2541917, 2905048, 3631310, 5083834, 5810096, 7262620, 10167668, 11620192, 12709585, 14525240, 20335336, 25419170, 29050480, 40670672, 50838340, 58100960, 81341344, 101676680, 203353360, 406706720]

約数ペア:

[(1, 406706720), (2, 203353360), (4, 101676680), (5, 81341344), (7, 58100960), (8, 50838340), (10, 40670672), (14, 29050480), (16, 25419170), (20, 20335336), (28, 14525240), (32, 12709585), (35, 11620192), (40, 10167668), (56, 7262620), (70, 5810096), (80, 5083834), (112, 3631310), (140, 2905048), (160, 2541917), (211, 1927520), (224, 1815655), (280, 1452524), (422, 963760), (560, 726262), (844, 481880), (1055, 385504), (1120, 363131), (1477, 275360), (1688, 240940), (1721, 236320), (2110, 192752), (2954, 137680), (3376, 120470), (3442, 118160), (4220, 96376), (5908, 68840), (6752, 60235), (6884, 59080), (7385, 55072), (8440, 48188), (8605, 47264), (11816, 34420), (12047, 33760), (13768, 29540), (14770, 27536), (16880, 24094), (17210, 23632)]