218049780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{279551}}^1$

素因数の和:279576

約数の個数: 48

約数和(自身を含む): 657506304

約数和(自身を除く): 439456524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 279551, 559102, 838653, 1118204, 1397755, 1677306, 2795510, 3354612, 3634163, 4193265, 5591020, 7268326, 8386530, 10902489, 14536652, 16773060, 18170815, 21804978, 36341630, 43609956, 54512445, 72683260, 109024890, 218049780]

約数ペア:

[(1, 218049780), (2, 109024890), (3, 72683260), (4, 54512445), (5, 43609956), (6, 36341630), (10, 21804978), (12, 18170815), (13, 16773060), (15, 14536652), (20, 10902489), (26, 8386530), (30, 7268326), (39, 5591020), (52, 4193265), (60, 3634163), (65, 3354612), (78, 2795510), (130, 1677306), (156, 1397755), (195, 1118204), (260, 838653), (390, 559102), (780, 279551)]