87900190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{40507}}^1$

素因数の和:40552

約数の個数: 32

約数和(自身を含む): 186660864

約数和(自身を除く): 98760674

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 40507, 81014, 202535, 283549, 405070, 567098, 1255717, 1417745, 2511434, 2835490, 6278585, 8790019, 12557170, 17580038, 43950095, 87900190]

約数ペア:

[(1, 87900190), (2, 43950095), (5, 17580038), (7, 12557170), (10, 8790019), (14, 6278585), (31, 2835490), (35, 2511434), (62, 1417745), (70, 1255717), (155, 567098), (217, 405070), (310, 283549), (434, 202535), (1085, 81014), (2170, 40507)]