402360140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{221077}}^1$

素因数の和:221106

約数の個数: 48

約数和(自身を含む): 1039950912

約数和(自身を除く): 637590772

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 221077, 442154, 884308, 1105385, 1547539, 2210770, 2874001, 3095078, 4421540, 5748002, 6190156, 7737695, 11496004, 14370005, 15475390, 20118007, 28740010, 30950780, 40236014, 57480020, 80472028, 100590035, 201180070, 402360140]

約数ペア:

[(1, 402360140), (2, 201180070), (4, 100590035), (5, 80472028), (7, 57480020), (10, 40236014), (13, 30950780), (14, 28740010), (20, 20118007), (26, 15475390), (28, 14370005), (35, 11496004), (52, 7737695), (65, 6190156), (70, 5748002), (91, 4421540), (130, 3095078), (140, 2874001), (182, 2210770), (260, 1547539), (364, 1105385), (455, 884308), (910, 442154), (1820, 221077)]