440247430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{202879}}^1$

素因数の和:202924

約数の個数: 32

約数和(自身を含む): 934871040

約数和(自身を除く): 494623610

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 202879, 405758, 1014395, 1420153, 2028790, 2840306, 6289249, 7100765, 12578498, 14201530, 31446245, 44024743, 62892490, 88049486, 220123715, 440247430]

約数ペア:

[(1, 440247430), (2, 220123715), (5, 88049486), (7, 62892490), (10, 44024743), (14, 31446245), (31, 14201530), (35, 12578498), (62, 7100765), (70, 6289249), (155, 2840306), (217, 2028790), (310, 1420153), (434, 1014395), (1085, 405758), (2170, 202879)]