285655220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{3137}}^1$

素因数の和:3332

約数の個数: 48

約数和(自身を含む): 624713040

約数和(自身を除く): 339057820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 157, 290, 314, 580, 628, 785, 1570, 3137, 3140, 4553, 6274, 9106, 12548, 15685, 18212, 22765, 31370, 45530, 62740, 90973, 91060, 181946, 363892, 454865, 492509, 909730, 985018, 1819460, 1970036, 2462545, 4925090, 9850180, 14282761, 28565522, 57131044, 71413805, 142827610, 285655220]

約数ペア:

[(1, 285655220), (2, 142827610), (4, 71413805), (5, 57131044), (10, 28565522), (20, 14282761), (29, 9850180), (58, 4925090), (116, 2462545), (145, 1970036), (157, 1819460), (290, 985018), (314, 909730), (580, 492509), (628, 454865), (785, 363892), (1570, 181946), (3137, 91060), (3140, 90973), (4553, 62740), (6274, 45530), (9106, 31370), (12548, 22765), (15685, 18212)]