655199020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{827}}^1\times {\mathrm{5659}}^1$

素因数の和:6502

約数の個数: 48

約数和(自身を含む): 1574657280

約数和(自身を除く): 919458260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 827, 1654, 3308, 4135, 5659, 5789, 8270, 11318, 11578, 16540, 22636, 23156, 28295, 28945, 39613, 56590, 57890, 79226, 113180, 115780, 158452, 198065, 396130, 792260, 4679993, 9359986, 18719972, 23399965, 32759951, 46799930, 65519902, 93599860, 131039804, 163799755, 327599510, 655199020]

約数ペア:

[(1, 655199020), (2, 327599510), (4, 163799755), (5, 131039804), (7, 93599860), (10, 65519902), (14, 46799930), (20, 32759951), (28, 23399965), (35, 18719972), (70, 9359986), (140, 4679993), (827, 792260), (1654, 396130), (3308, 198065), (4135, 158452), (5659, 115780), (5789, 113180), (8270, 79226), (11318, 57890), (11578, 56590), (16540, 39613), (22636, 28945), (23156, 28295)]