220020640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6337}}^1$

素因数の和:6390

約数の個数: 96

約数和(自身を含む): 613315584

約数和(自身を除く): 393294944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2480, 3472, 4340, 4960, 6337, 6944, 8680, 12674, 17360, 25348, 31685, 34720, 44359, 50696, 63370, 88718, 101392, 126740, 177436, 196447, 202784, 221795, 253480, 354872, 392894, 443590, 506960, 709744, 785788, 887180, 982235, 1013920, 1375129, 1419488, 1571576, 1774360, 1964470, 2750258, 3143152, 3548720, 3928940, 5500516, 6286304, 6875645, 7097440, 7857880, 11001032, 13751290, 15715760, 22002064, 27502580, 31431520, 44004128, 55005160, 110010320, 220020640]

約数ペア:

[(1, 220020640), (2, 110010320), (4, 55005160), (5, 44004128), (7, 31431520), (8, 27502580), (10, 22002064), (14, 15715760), (16, 13751290), (20, 11001032), (28, 7857880), (31, 7097440), (32, 6875645), (35, 6286304), (40, 5500516), (56, 3928940), (62, 3548720), (70, 3143152), (80, 2750258), (112, 1964470), (124, 1774360), (140, 1571576), (155, 1419488), (160, 1375129), (217, 1013920), (224, 982235), (248, 887180), (280, 785788), (310, 709744), (434, 506960), (496, 443590), (560, 392894), (620, 354872), (868, 253480), (992, 221795), (1085, 202784), (1120, 196447), (1240, 177436), (1736, 126740), (2170, 101392), (2480, 88718), (3472, 63370), (4340, 50696), (4960, 44359), (6337, 34720), (6944, 31685), (8680, 25348), (12674, 17360)]