71435020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{727}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 159606720

約数和(自身を除く): 88171700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 727, 1156, 1445, 1454, 2890, 2908, 3635, 4913, 5780, 7270, 9826, 12359, 14540, 19652, 24565, 24718, 49130, 49436, 61795, 98260, 123590, 210103, 247180, 420206, 840412, 1050515, 2101030, 3571751, 4202060, 7143502, 14287004, 17858755, 35717510, 71435020]

約数ペア:

[(1, 71435020), (2, 35717510), (4, 17858755), (5, 14287004), (10, 7143502), (17, 4202060), (20, 3571751), (34, 2101030), (68, 1050515), (85, 840412), (170, 420206), (289, 247180), (340, 210103), (578, 123590), (727, 98260), (1156, 61795), (1445, 49436), (1454, 49130), (2890, 24718), (2908, 24565), (3635, 19652), (4913, 14540), (5780, 12359), (7270, 9826)]