252927220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19853}}^1$

素因数の和:19889

約数の個数: 72

約数和(自身を含む): 665426664

約数和(自身を除く): 412499444

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 19853, 39706, 79412, 99265, 138971, 198530, 258089, 277942, 397060, 516178, 555884, 694855, 972797, 1032356, 1290445, 1389710, 1806623, 1945594, 2580890, 2779420, 3613246, 3891188, 4863985, 5161780, 7226492, 9033115, 9727970, 12646361, 18066230, 19455940, 25292722, 36132460, 50585444, 63231805, 126463610, 252927220]

約数ペア:

[(1, 252927220), (2, 126463610), (4, 63231805), (5, 50585444), (7, 36132460), (10, 25292722), (13, 19455940), (14, 18066230), (20, 12646361), (26, 9727970), (28, 9033115), (35, 7226492), (49, 5161780), (52, 4863985), (65, 3891188), (70, 3613246), (91, 2779420), (98, 2580890), (130, 1945594), (140, 1806623), (182, 1389710), (196, 1290445), (245, 1032356), (260, 972797), (364, 694855), (455, 555884), (490, 516178), (637, 397060), (910, 277942), (980, 258089), (1274, 198530), (1820, 138971), (2548, 99265), (3185, 79412), (6370, 39706), (12740, 19853)]