28874702990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{109097}}^1$

素因数の和:109329

約数の個数: 64

約数和(自身を含む): 62840448000

約数和(自身を除く): 33965745010

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 199, 266, 398, 665, 995, 1330, 1393, 1990, 2786, 3781, 6965, 7562, 13930, 18905, 26467, 37810, 52934, 109097, 132335, 218194, 264670, 545485, 763679, 1090970, 1527358, 2072843, 3818395, 4145686, 7636790, 10364215, 14509901, 20728430, 21710303, 29019802, 43420606, 72549505, 108551515, 145099010, 151972121, 217103030, 303944242, 412495757, 759860605, 824991514, 1519721210, 2062478785, 2887470299, 4124957570, 5774940598, 14437351495, 28874702990]

約数ペア:

[(1, 28874702990), (2, 14437351495), (5, 5774940598), (7, 4124957570), (10, 2887470299), (14, 2062478785), (19, 1519721210), (35, 824991514), (38, 759860605), (70, 412495757), (95, 303944242), (133, 217103030), (190, 151972121), (199, 145099010), (266, 108551515), (398, 72549505), (665, 43420606), (995, 29019802), (1330, 21710303), (1393, 20728430), (1990, 14509901), (2786, 10364215), (3781, 7636790), (6965, 4145686), (7562, 3818395), (13930, 2072843), (18905, 1527358), (26467, 1090970), (37810, 763679), (52934, 545485), (109097, 264670), (132335, 218194)]