194890890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1453}}^1$

素因数の和:1743

約数の個数: 64

約数和(自身を含む): 497477376

約数和(自身を除く): 302586486

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 263, 510, 526, 789, 1315, 1453, 1578, 2630, 2906, 3945, 4359, 4471, 7265, 7890, 8718, 8942, 13413, 14530, 21795, 22355, 24701, 26826, 43590, 44710, 49402, 67065, 74103, 123505, 134130, 148206, 247010, 370515, 382139, 741030, 764278, 1146417, 1910695, 2292834, 3821390, 5732085, 6496363, 11464170, 12992726, 19489089, 32481815, 38978178, 64963630, 97445445, 194890890]

約数ペア:

[(1, 194890890), (2, 97445445), (3, 64963630), (5, 38978178), (6, 32481815), (10, 19489089), (15, 12992726), (17, 11464170), (30, 6496363), (34, 5732085), (51, 3821390), (85, 2292834), (102, 1910695), (170, 1146417), (255, 764278), (263, 741030), (510, 382139), (526, 370515), (789, 247010), (1315, 148206), (1453, 134130), (1578, 123505), (2630, 74103), (2906, 67065), (3945, 49402), (4359, 44710), (4471, 43590), (7265, 26826), (7890, 24701), (8718, 22355), (8942, 21795), (13413, 14530)]