2489742430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{661}}^1\times {\mathrm{7687}}^1$

素因数の和:8369

約数の個数: 48

約数和(自身を含む): 5221781856

約数和(自身を除く): 2732039426

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 661, 1322, 3305, 4627, 6610, 7687, 9254, 15374, 23135, 32389, 38435, 46270, 53809, 64778, 76870, 107618, 161945, 269045, 323890, 376663, 538090, 753326, 1883315, 3766630, 5081107, 10162214, 25405535, 35567749, 50811070, 71135498, 177838745, 248974243, 355677490, 497948486, 1244871215, 2489742430]

約数ペア:

[(1, 2489742430), (2, 1244871215), (5, 497948486), (7, 355677490), (10, 248974243), (14, 177838745), (35, 71135498), (49, 50811070), (70, 35567749), (98, 25405535), (245, 10162214), (490, 5081107), (661, 3766630), (1322, 1883315), (3305, 753326), (4627, 538090), (6610, 376663), (7687, 323890), (9254, 269045), (15374, 161945), (23135, 107618), (32389, 76870), (38435, 64778), (46270, 53809)]