768518020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{7039}}^1$

素因数の和:7204

約数の個数: 48

約数和(自身を含む): 1660538880

約数和(自身を除く): 892020860

約数列:

[1, 2, 4, 5, 10, 20, 53, 103, 106, 206, 212, 265, 412, 515, 530, 1030, 1060, 2060, 5459, 7039, 10918, 14078, 21836, 27295, 28156, 35195, 54590, 70390, 109180, 140780, 373067, 725017, 746134, 1450034, 1492268, 1865335, 2900068, 3625085, 3730670, 7250170, 7461340, 14500340, 38425901, 76851802, 153703604, 192129505, 384259010, 768518020]

約数ペア:

[(1, 768518020), (2, 384259010), (4, 192129505), (5, 153703604), (10, 76851802), (20, 38425901), (53, 14500340), (103, 7461340), (106, 7250170), (206, 3730670), (212, 3625085), (265, 2900068), (412, 1865335), (515, 1492268), (530, 1450034), (1030, 746134), (1060, 725017), (2060, 373067), (5459, 140780), (7039, 109180), (10918, 70390), (14078, 54590), (21836, 35195), (27295, 28156)]