202808620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2239}}^1$

素因数の和:2902

約数の個数: 48

約数和(自身を含む): 487710720

約数和(自身を除く): 284902100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647, 1294, 2239, 2588, 3235, 4478, 4529, 6470, 8956, 9058, 11195, 12940, 15673, 18116, 22390, 22645, 31346, 44780, 45290, 62692, 78365, 90580, 156730, 313460, 1448633, 2897266, 5794532, 7243165, 10140431, 14486330, 20280862, 28972660, 40561724, 50702155, 101404310, 202808620]

約数ペア:

[(1, 202808620), (2, 101404310), (4, 50702155), (5, 40561724), (7, 28972660), (10, 20280862), (14, 14486330), (20, 10140431), (28, 7243165), (35, 5794532), (70, 2897266), (140, 1448633), (647, 313460), (1294, 156730), (2239, 90580), (2588, 78365), (3235, 62692), (4478, 45290), (4529, 44780), (6470, 31346), (8956, 22645), (9058, 22390), (11195, 18116), (12940, 15673)]