297492780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{381401}}^1$

素因数の和:381426

約数の個数: 48

約数和(自身を含む): 897057504

約数和(自身を除く): 599564724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 381401, 762802, 1144203, 1525604, 1907005, 2288406, 3814010, 4576812, 4958213, 5721015, 7628020, 9916426, 11442030, 14874639, 19832852, 22884060, 24791065, 29749278, 49582130, 59498556, 74373195, 99164260, 148746390, 297492780]

約数ペア:

[(1, 297492780), (2, 148746390), (3, 99164260), (4, 74373195), (5, 59498556), (6, 49582130), (10, 29749278), (12, 24791065), (13, 22884060), (15, 19832852), (20, 14874639), (26, 11442030), (30, 9916426), (39, 7628020), (52, 5721015), (60, 4958213), (65, 4576812), (78, 3814010), (130, 2288406), (156, 1907005), (195, 1525604), (260, 1144203), (390, 762802), (780, 381401)]