168103780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{28111}}^1$

素因数の和:28156

約数の個数: 48

約数和(自身を含む): 396716544

約数和(自身を除く): 228612764

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 28111, 56222, 112444, 140555, 281110, 365443, 562220, 646553, 730886, 1293106, 1461772, 1827215, 2586212, 3232765, 3654430, 6465530, 7308860, 8405189, 12931060, 16810378, 33620756, 42025945, 84051890, 168103780]

約数ペア:

[(1, 168103780), (2, 84051890), (4, 42025945), (5, 33620756), (10, 16810378), (13, 12931060), (20, 8405189), (23, 7308860), (26, 6465530), (46, 3654430), (52, 3232765), (65, 2586212), (92, 1827215), (115, 1461772), (130, 1293106), (230, 730886), (260, 646553), (299, 562220), (460, 365443), (598, 281110), (1196, 140555), (1495, 112444), (2990, 56222), (5980, 28111)]