4487660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 10178784

約数和(自身を除く): 5691124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 197, 268, 335, 340, 394, 670, 788, 985, 1139, 1340, 1970, 2278, 3349, 3940, 4556, 5695, 6698, 11390, 13199, 13396, 16745, 22780, 26398, 33490, 52796, 65995, 66980, 131990, 224383, 263980, 448766, 897532, 1121915, 2243830, 4487660]

約数ペア:

[(1, 4487660), (2, 2243830), (4, 1121915), (5, 897532), (10, 448766), (17, 263980), (20, 224383), (34, 131990), (67, 66980), (68, 65995), (85, 52796), (134, 33490), (170, 26398), (197, 22780), (268, 16745), (335, 13396), (340, 13199), (394, 11390), (670, 6698), (788, 5695), (985, 4556), (1139, 3940), (1340, 3349), (1970, 2278)]