71218280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{733}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 183911040

約数和(自身を除く): 112692760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 347, 694, 733, 1388, 1466, 1735, 2429, 2776, 2932, 3470, 3665, 4858, 5131, 5864, 6940, 7330, 9716, 10262, 12145, 13880, 14660, 19432, 20524, 24290, 25655, 29320, 41048, 48580, 51310, 97160, 102620, 205240, 254351, 508702, 1017404, 1271755, 1780457, 2034808, 2543510, 3560914, 5087020, 7121828, 8902285, 10174040, 14243656, 17804570, 35609140, 71218280]

約数ペア:

[(1, 71218280), (2, 35609140), (4, 17804570), (5, 14243656), (7, 10174040), (8, 8902285), (10, 7121828), (14, 5087020), (20, 3560914), (28, 2543510), (35, 2034808), (40, 1780457), (56, 1271755), (70, 1017404), (140, 508702), (280, 254351), (347, 205240), (694, 102620), (733, 97160), (1388, 51310), (1466, 48580), (1735, 41048), (2429, 29320), (2776, 25655), (2932, 24290), (3470, 20524), (3665, 19432), (4858, 14660), (5131, 13880), (5864, 12145), (6940, 10262), (7330, 9716)]