348526220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{5009}}^1$

素因数の和:5103

約数の個数: 72

約数和(自身を含む): 863563680

約数和(自身を除く): 515037460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 3479, 4970, 5009, 6958, 9940, 10018, 13916, 17395, 20036, 25045, 34790, 35063, 50090, 69580, 70126, 100180, 140252, 175315, 245441, 350630, 355639, 490882, 701260, 711278, 981764, 1227205, 1422556, 1778195, 2454410, 2489473, 3556390, 4908820, 4978946, 7112780, 9957892, 12447365, 17426311, 24894730, 34852622, 49789460, 69705244, 87131555, 174263110, 348526220]

約数ペア:

[(1, 348526220), (2, 174263110), (4, 87131555), (5, 69705244), (7, 49789460), (10, 34852622), (14, 24894730), (20, 17426311), (28, 12447365), (35, 9957892), (49, 7112780), (70, 4978946), (71, 4908820), (98, 3556390), (140, 2489473), (142, 2454410), (196, 1778195), (245, 1422556), (284, 1227205), (355, 981764), (490, 711278), (497, 701260), (710, 490882), (980, 355639), (994, 350630), (1420, 245441), (1988, 175315), (2485, 140252), (3479, 100180), (4970, 70126), (5009, 69580), (6958, 50090), (9940, 35063), (10018, 34790), (13916, 25045), (17395, 20036)]