74498390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 146266560

約数和(自身を除く): 71768170

約数列:

[1, 2, 5, 10, 29, 37, 53, 58, 74, 106, 131, 145, 185, 262, 265, 290, 370, 530, 655, 1073, 1310, 1537, 1961, 2146, 3074, 3799, 3922, 4847, 5365, 6943, 7598, 7685, 9694, 9805, 10730, 13886, 15370, 18995, 19610, 24235, 34715, 37990, 48470, 56869, 69430, 113738, 140563, 201347, 256891, 281126, 284345, 402694, 513782, 568690, 702815, 1006735, 1284455, 1405630, 2013470, 2568910, 7449839, 14899678, 37249195, 74498390]

約数ペア:

[(1, 74498390), (2, 37249195), (5, 14899678), (10, 7449839), (29, 2568910), (37, 2013470), (53, 1405630), (58, 1284455), (74, 1006735), (106, 702815), (131, 568690), (145, 513782), (185, 402694), (262, 284345), (265, 281126), (290, 256891), (370, 201347), (530, 140563), (655, 113738), (1073, 69430), (1310, 56869), (1537, 48470), (1961, 37990), (2146, 34715), (3074, 24235), (3799, 19610), (3922, 18995), (4847, 15370), (5365, 13886), (6943, 10730), (7598, 9805), (7685, 9694)]