202818980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{111439}}^1$

素因数の和:111468

約数の個数: 48

約数和(自身を含む): 524213760

約数和(自身を除く): 321394780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 111439, 222878, 445756, 557195, 780073, 1114390, 1448707, 1560146, 2228780, 2897414, 3120292, 3900365, 5794828, 7243535, 7800730, 10140949, 14487070, 15601460, 20281898, 28974140, 40563796, 50704745, 101409490, 202818980]

約数ペア:

[(1, 202818980), (2, 101409490), (4, 50704745), (5, 40563796), (7, 28974140), (10, 20281898), (13, 15601460), (14, 14487070), (20, 10140949), (26, 7800730), (28, 7243535), (35, 5794828), (52, 3900365), (65, 3120292), (70, 2897414), (91, 2228780), (130, 1560146), (140, 1448707), (182, 1114390), (260, 780073), (364, 557195), (455, 445756), (910, 222878), (1820, 111439)]