63884380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6427}}^1$

素因数の和:6514

約数の個数: 48

約数和(自身を含む): 155506176

約数和(自身を除く): 91621796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 6427, 9940, 12854, 25708, 32135, 44989, 64270, 89978, 128540, 179956, 224945, 449890, 456317, 899780, 912634, 1825268, 2281585, 3194219, 4563170, 6388438, 9126340, 12776876, 15971095, 31942190, 63884380]

約数ペア:

[(1, 63884380), (2, 31942190), (4, 15971095), (5, 12776876), (7, 9126340), (10, 6388438), (14, 4563170), (20, 3194219), (28, 2281585), (35, 1825268), (70, 912634), (71, 899780), (140, 456317), (142, 449890), (284, 224945), (355, 179956), (497, 128540), (710, 89978), (994, 64270), (1420, 44989), (1988, 32135), (2485, 25708), (4970, 12854), (6427, 9940)]