71900780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16567}}^1$

素因数の和:16614

約数の個数: 48

約数和(自身を含む): 178139136

約数和(自身を除く): 106238356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 16567, 33134, 66268, 82835, 115969, 165670, 231938, 331340, 463876, 513577, 579845, 1027154, 1159690, 2054308, 2319380, 2567885, 3595039, 5135770, 7190078, 10271540, 14380156, 17975195, 35950390, 71900780]

約数ペア:

[(1, 71900780), (2, 35950390), (4, 17975195), (5, 14380156), (7, 10271540), (10, 7190078), (14, 5135770), (20, 3595039), (28, 2567885), (31, 2319380), (35, 2054308), (62, 1159690), (70, 1027154), (124, 579845), (140, 513577), (155, 463876), (217, 331340), (310, 231938), (434, 165670), (620, 115969), (868, 82835), (1085, 66268), (2170, 33134), (4340, 16567)]