202179980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13829}}^1$

素因数の和:13898

約数の個数: 48

約数和(自身を含む): 460041120

約数和(自身を除く): 257861140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 13829, 14620, 27658, 55316, 69145, 138290, 235093, 276580, 470186, 594647, 940372, 1175465, 1189294, 2350930, 2378588, 2973235, 4701860, 5946470, 10108999, 11892940, 20217998, 40435996, 50544995, 101089990, 202179980]

約数ペア:

[(1, 202179980), (2, 101089990), (4, 50544995), (5, 40435996), (10, 20217998), (17, 11892940), (20, 10108999), (34, 5946470), (43, 4701860), (68, 2973235), (85, 2378588), (86, 2350930), (170, 1189294), (172, 1175465), (215, 940372), (340, 594647), (430, 470186), (731, 276580), (860, 235093), (1462, 138290), (2924, 69145), (3655, 55316), (7310, 27658), (13829, 14620)]