215537420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{49663}}^1$

素因数の和:49710

約数の個数: 48

約数和(自身を含む): 533987328

約数和(自身を除く): 318449908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 49663, 99326, 198652, 248315, 347641, 496630, 695282, 993260, 1390564, 1539553, 1738205, 3079106, 3476410, 6158212, 6952820, 7697765, 10776871, 15395530, 21553742, 30791060, 43107484, 53884355, 107768710, 215537420]

約数ペア:

[(1, 215537420), (2, 107768710), (4, 53884355), (5, 43107484), (7, 30791060), (10, 21553742), (14, 15395530), (20, 10776871), (28, 7697765), (31, 6952820), (35, 6158212), (62, 3476410), (70, 3079106), (124, 1738205), (140, 1539553), (155, 1390564), (217, 993260), (310, 695282), (434, 496630), (620, 347641), (868, 248315), (1085, 198652), (2170, 99326), (4340, 49663)]