199383940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6563}}^1$

素因数の和:6617

約数の個数: 72

約数和(自身を含む): 502854912

約数和(自身を除く): 303470972

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, 6076, 6563, 7595, 13126, 15190, 26252, 30380, 32815, 45941, 65630, 91882, 131260, 183764, 203453, 229705, 321587, 406906, 459410, 643174, 813812, 918820, 1017265, 1286348, 1424171, 1607935, 2034530, 2848342, 3215870, 4069060, 5696684, 6431740, 7120855, 9969197, 14241710, 19938394, 28483420, 39876788, 49845985, 99691970, 199383940]

約数ペア:

[(1, 199383940), (2, 99691970), (4, 49845985), (5, 39876788), (7, 28483420), (10, 19938394), (14, 14241710), (20, 9969197), (28, 7120855), (31, 6431740), (35, 5696684), (49, 4069060), (62, 3215870), (70, 2848342), (98, 2034530), (124, 1607935), (140, 1424171), (155, 1286348), (196, 1017265), (217, 918820), (245, 813812), (310, 643174), (434, 459410), (490, 406906), (620, 321587), (868, 229705), (980, 203453), (1085, 183764), (1519, 131260), (2170, 91882), (3038, 65630), (4340, 45941), (6076, 32815), (6563, 30380), (7595, 26252), (13126, 15190)]