12425420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 31409280

約数和(自身を除く): 18983860

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, 409, 434, 490, 620, 818, 868, 980, 1085, 1519, 1636, 2045, 2170, 2863, 3038, 4090, 4340, 5726, 6076, 7595, 8180, 11452, 12679, 14315, 15190, 20041, 25358, 28630, 30380, 40082, 50716, 57260, 63395, 80164, 88753, 100205, 126790, 177506, 200410, 253580, 355012, 400820, 443765, 621271, 887530, 1242542, 1775060, 2485084, 3106355, 6212710, 12425420]

約数ペア:

[(1, 12425420), (2, 6212710), (4, 3106355), (5, 2485084), (7, 1775060), (10, 1242542), (14, 887530), (20, 621271), (28, 443765), (31, 400820), (35, 355012), (49, 253580), (62, 200410), (70, 177506), (98, 126790), (124, 100205), (140, 88753), (155, 80164), (196, 63395), (217, 57260), (245, 50716), (310, 40082), (409, 30380), (434, 28630), (490, 25358), (620, 20041), (818, 15190), (868, 14315), (980, 12679), (1085, 11452), (1519, 8180), (1636, 7595), (2045, 6076), (2170, 5726), (2863, 4340), (3038, 4090)]