235478020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3947}}^1$

素因数の和:4132

約数の個数: 48

約数和(自身を含む): 523978560

約数和(自身を除く): 288500540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 628, 785, 1570, 2983, 3140, 3947, 5966, 7894, 11932, 14915, 15788, 19735, 29830, 39470, 59660, 74993, 78940, 149986, 299972, 374965, 619679, 749930, 1239358, 1499860, 2478716, 3098395, 6196790, 11773901, 12393580, 23547802, 47095604, 58869505, 117739010, 235478020]

約数ペア:

[(1, 235478020), (2, 117739010), (4, 58869505), (5, 47095604), (10, 23547802), (19, 12393580), (20, 11773901), (38, 6196790), (76, 3098395), (95, 2478716), (157, 1499860), (190, 1239358), (314, 749930), (380, 619679), (628, 374965), (785, 299972), (1570, 149986), (2983, 78940), (3140, 74993), (3947, 59660), (5966, 39470), (7894, 29830), (11932, 19735), (14915, 15788)]