633519620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{4447}}^1$

素因数の和:4892

約数の個数: 48

約数和(自身を含む): 1412328960

約数和(自身を除く): 778809340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 419, 838, 1676, 2095, 4190, 4447, 7123, 8380, 8894, 14246, 17788, 22235, 28492, 35615, 44470, 71230, 75599, 88940, 142460, 151198, 302396, 377995, 755990, 1511980, 1863293, 3726586, 7453172, 9316465, 18632930, 31675981, 37265860, 63351962, 126703924, 158379905, 316759810, 633519620]

約数ペア:

[(1, 633519620), (2, 316759810), (4, 158379905), (5, 126703924), (10, 63351962), (17, 37265860), (20, 31675981), (34, 18632930), (68, 9316465), (85, 7453172), (170, 3726586), (340, 1863293), (419, 1511980), (838, 755990), (1676, 377995), (2095, 302396), (4190, 151198), (4447, 142460), (7123, 88940), (8380, 75599), (8894, 71230), (14246, 44470), (17788, 35615), (22235, 28492)]