91776020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1319}}^1$

素因数の和:1413

約数の個数: 72

約数和(自身を含む): 227525760

約数和(自身を除く): 135749740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1319, 1420, 1988, 2485, 2638, 3479, 4970, 5276, 6595, 6958, 9233, 9940, 13190, 13916, 17395, 18466, 26380, 34790, 36932, 46165, 64631, 69580, 92330, 93649, 129262, 184660, 187298, 258524, 323155, 374596, 468245, 646310, 655543, 936490, 1292620, 1311086, 1872980, 2622172, 3277715, 4588801, 6555430, 9177602, 13110860, 18355204, 22944005, 45888010, 91776020]

約数ペア:

[(1, 91776020), (2, 45888010), (4, 22944005), (5, 18355204), (7, 13110860), (10, 9177602), (14, 6555430), (20, 4588801), (28, 3277715), (35, 2622172), (49, 1872980), (70, 1311086), (71, 1292620), (98, 936490), (140, 655543), (142, 646310), (196, 468245), (245, 374596), (284, 323155), (355, 258524), (490, 187298), (497, 184660), (710, 129262), (980, 93649), (994, 92330), (1319, 69580), (1420, 64631), (1988, 46165), (2485, 36932), (2638, 34790), (3479, 26380), (4970, 18466), (5276, 17395), (6595, 13916), (6958, 13190), (9233, 9940)]