7260820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 18385920

約数和(自身を除く): 11125100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 239, 245, 310, 434, 478, 490, 620, 868, 956, 980, 1085, 1195, 1519, 1673, 2170, 2390, 3038, 3346, 4340, 4780, 6076, 6692, 7409, 7595, 8365, 11711, 14818, 15190, 16730, 23422, 29636, 30380, 33460, 37045, 46844, 51863, 58555, 74090, 103726, 117110, 148180, 207452, 234220, 259315, 363041, 518630, 726082, 1037260, 1452164, 1815205, 3630410, 7260820]

約数ペア:

[(1, 7260820), (2, 3630410), (4, 1815205), (5, 1452164), (7, 1037260), (10, 726082), (14, 518630), (20, 363041), (28, 259315), (31, 234220), (35, 207452), (49, 148180), (62, 117110), (70, 103726), (98, 74090), (124, 58555), (140, 51863), (155, 46844), (196, 37045), (217, 33460), (239, 30380), (245, 29636), (310, 23422), (434, 16730), (478, 15190), (490, 14818), (620, 11711), (868, 8365), (956, 7595), (980, 7409), (1085, 6692), (1195, 6076), (1519, 4780), (1673, 4340), (2170, 3346), (2390, 3038)]