403377820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{5309}}^1$

素因数の和:5478

約数の個数: 48

約数和(自身を含む): 883159200

約数和(自身を除く): 479781380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 131, 145, 262, 290, 524, 580, 655, 1310, 2620, 3799, 5309, 7598, 10618, 15196, 18995, 21236, 26545, 37990, 53090, 75980, 106180, 153961, 307922, 615844, 695479, 769805, 1390958, 1539610, 2781916, 3079220, 3477395, 6954790, 13909580, 20168891, 40337782, 80675564, 100844455, 201688910, 403377820]

約数ペア:

[(1, 403377820), (2, 201688910), (4, 100844455), (5, 80675564), (10, 40337782), (20, 20168891), (29, 13909580), (58, 6954790), (116, 3477395), (131, 3079220), (145, 2781916), (262, 1539610), (290, 1390958), (524, 769805), (580, 695479), (655, 615844), (1310, 307922), (2620, 153961), (3799, 106180), (5309, 75980), (7598, 53090), (10618, 37990), (15196, 26545), (18995, 21236)]