158978540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{5233}}^1$

素因数の和:5287

約数の個数: 72

約数和(自身を含む): 400966272

約数和(自身を除く): 241987732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 5233, 6076, 7595, 10466, 15190, 20932, 26165, 30380, 36631, 52330, 73262, 104660, 146524, 162223, 183155, 256417, 324446, 366310, 512834, 648892, 732620, 811115, 1025668, 1135561, 1282085, 1622230, 2271122, 2564170, 3244460, 4542244, 5128340, 5677805, 7948927, 11355610, 15897854, 22711220, 31795708, 39744635, 79489270, 158978540]

約数ペア:

[(1, 158978540), (2, 79489270), (4, 39744635), (5, 31795708), (7, 22711220), (10, 15897854), (14, 11355610), (20, 7948927), (28, 5677805), (31, 5128340), (35, 4542244), (49, 3244460), (62, 2564170), (70, 2271122), (98, 1622230), (124, 1282085), (140, 1135561), (155, 1025668), (196, 811115), (217, 732620), (245, 648892), (310, 512834), (434, 366310), (490, 324446), (620, 256417), (868, 183155), (980, 162223), (1085, 146524), (1519, 104660), (2170, 73262), (3038, 52330), (4340, 36631), (5233, 30380), (6076, 26165), (7595, 20932), (10466, 15190)]