328453420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{3607}}^1$

素因数の和:3802

約数の個数: 48

約数和(自身を含む): 718280640

約数和(自身を除く): 389827220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 157, 290, 314, 580, 628, 785, 1570, 3140, 3607, 4553, 7214, 9106, 14428, 18035, 18212, 22765, 36070, 45530, 72140, 91060, 104603, 209206, 418412, 523015, 566299, 1046030, 1132598, 2092060, 2265196, 2831495, 5662990, 11325980, 16422671, 32845342, 65690684, 82113355, 164226710, 328453420]

約数ペア:

[(1, 328453420), (2, 164226710), (4, 82113355), (5, 65690684), (10, 32845342), (20, 16422671), (29, 11325980), (58, 5662990), (116, 2831495), (145, 2265196), (157, 2092060), (290, 1132598), (314, 1046030), (580, 566299), (628, 523015), (785, 418412), (1570, 209206), (3140, 104603), (3607, 91060), (4553, 72140), (7214, 45530), (9106, 36070), (14428, 22765), (18035, 18212)]