390391950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{200201}}^1$

素因数の和:200229

約数の個数: 48

約数和(自身を含む): 1042652016

約数和(自身を除く): 652260066

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 200201, 400402, 600603, 1001005, 1201206, 2002010, 2602613, 3003015, 5005025, 5205226, 6006030, 7807839, 10010050, 13013065, 15015075, 15615678, 26026130, 30030150, 39039195, 65065325, 78078390, 130130650, 195195975, 390391950]

約数ペア:

[(1, 390391950), (2, 195195975), (3, 130130650), (5, 78078390), (6, 65065325), (10, 39039195), (13, 30030150), (15, 26026130), (25, 15615678), (26, 15015075), (30, 13013065), (39, 10010050), (50, 7807839), (65, 6006030), (75, 5205226), (78, 5005025), (130, 3003015), (150, 2602613), (195, 2002010), (325, 1201206), (390, 1001005), (650, 600603), (975, 400402), (1950, 200201)]