638577980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1\times {\mathrm{2341}}^1$

素因数の和:2966

約数の個数: 48

約数和(自身を含む): 1402277184

約数和(自身を除く): 763699204

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 593, 1186, 2341, 2372, 2965, 4682, 5930, 9364, 11705, 11860, 13639, 23410, 27278, 46820, 53843, 54556, 68195, 107686, 136390, 215372, 269215, 272780, 538430, 1076860, 1388213, 2776426, 5552852, 6941065, 13882130, 27764260, 31928899, 63857798, 127715596, 159644495, 319288990, 638577980]

約数ペア:

[(1, 638577980), (2, 319288990), (4, 159644495), (5, 127715596), (10, 63857798), (20, 31928899), (23, 27764260), (46, 13882130), (92, 6941065), (115, 5552852), (230, 2776426), (460, 1388213), (593, 1076860), (1186, 538430), (2341, 272780), (2372, 269215), (2965, 215372), (4682, 136390), (5930, 107686), (9364, 68195), (11705, 54556), (11860, 53843), (13639, 46820), (23410, 27278)]