151900

素因数分解:

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

素因数の和:59

約数の個数: 54

約数和(自身を含む): 395808

約数和(自身を除く): 243908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 49, 50, 62, 70, 98, 100, 124, 140, 155, 175, 196, 217, 245, 310, 350, 434, 490, 620, 700, 775, 868, 980, 1085, 1225, 1519, 1550, 2170, 2450, 3038, 3100, 4340, 4900, 5425, 6076, 7595, 10850, 15190, 21700, 30380, 37975, 75950, 151900]

約数ペア:

[(1, 151900), (2, 75950), (4, 37975), (5, 30380), (7, 21700), (10, 15190), (14, 10850), (20, 7595), (25, 6076), (28, 5425), (31, 4900), (35, 4340), (49, 3100), (50, 3038), (62, 2450), (70, 2170), (98, 1550), (100, 1519), (124, 1225), (140, 1085), (155, 980), (175, 868), (196, 775), (217, 700), (245, 620), (310, 490), (350, 434)]