2019901750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{475271}}^1$

素因数の和:475305

約数の個数: 32

約数和(自身を含む): 4003691328

約数和(自身を除く): 1983789578

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 475271, 950542, 2376355, 4752710, 8079607, 11881775, 16159214, 23763550, 40398035, 59408875, 80796070, 118817750, 201990175, 403980350, 1009950875, 2019901750]

約数ペア:

[(1, 2019901750), (2, 1009950875), (5, 403980350), (10, 201990175), (17, 118817750), (25, 80796070), (34, 59408875), (50, 40398035), (85, 23763550), (125, 16159214), (170, 11881775), (250, 8079607), (425, 4752710), (850, 2376355), (2125, 950542), (4250, 475271)]