204337380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261971}}^1$

素因数の和:261996

約数の個数: 48

約数和(自身を含む): 616158144

約数和(自身を除く): 411820764

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, 261971, 523942, 785913, 1047884, 1309855, 1571826, 2619710, 3143652, 3405623, 3929565, 5239420, 6811246, 7859130, 10216869, 13622492, 15718260, 17028115, 20433738, 34056230, 40867476, 51084345, 68112460, 102168690, 204337380]

約数ペア:

[(1, 204337380), (2, 102168690), (3, 68112460), (4, 51084345), (5, 40867476), (6, 34056230), (10, 20433738), (12, 17028115), (13, 15718260), (15, 13622492), (20, 10216869), (26, 7859130), (30, 6811246), (39, 5239420), (52, 3929565), (60, 3405623), (65, 3143652), (78, 2619710), (130, 1571826), (156, 1309855), (195, 1047884), (260, 785913), (390, 523942), (780, 261971)]