219329540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{3541}}^1$

素因数の和:3732

約数の個数: 48

約数和(自身を含む): 487945920

約数和(自身を除く): 268616380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 326, 380, 652, 815, 1630, 3097, 3260, 3541, 6194, 7082, 12388, 14164, 15485, 17705, 30970, 35410, 61940, 67279, 70820, 134558, 269116, 336395, 577183, 672790, 1154366, 1345580, 2308732, 2885915, 5771830, 10966477, 11543660, 21932954, 43865908, 54832385, 109664770, 219329540]

約数ペア:

[(1, 219329540), (2, 109664770), (4, 54832385), (5, 43865908), (10, 21932954), (19, 11543660), (20, 10966477), (38, 5771830), (76, 2885915), (95, 2308732), (163, 1345580), (190, 1154366), (326, 672790), (380, 577183), (652, 336395), (815, 269116), (1630, 134558), (3097, 70820), (3260, 67279), (3541, 61940), (6194, 35410), (7082, 30970), (12388, 17705), (14164, 15485)]